M2 Max Pro - Dash cam Rexing - Free user manual and instructions

Product Type	Dash Camera
Brand	Rexing
Model	M2 Max Pro
Resolution	4K UHD (3840x2160) at 30fps
Wide Angle	170° field of view
Display	3.0-inch IPS LCD
Video Format	MP4 (H.264)
Storage	Supports microSD up to 256GB (Class 10/U3)
GPS	Built-in GPS logger
Wi-Fi	Built-in Wi-Fi for app connectivity
G-Sensor	3-axis accelerometer for impact detection
Loop Recording	Automatic continuous recording
Parking Mode	Motion detection and time-lapse (hardwire kit required)
Power Supply	5V/2A via USB cable
Dimensions	3.3 x 2.1 x 1.3 inches (8.4 x 5.3 x 3.3 cm)
Weight	2.8 oz (79 g)
Mount	Adhesive mount included
Operating Temperature	-4°F to 140°F (-20°C to 60°C)
Maintenance	Clean lens with microfiber cloth; format SD card monthly
Safety	Do not mount where it obstructs view; use included cable clips
Spare Parts/Repairability	Replacement mounts and cables available online
General Information	Designed for reliable driving recording; free user manual available in PDF

Frequently Asked Questions - M2 Max Pro Rexing

What video resolution does the Rexing M2 Max Pro record?

The Rexing M2 Max Pro records in 4K UHD (3840x2160) at 30 frames per second, ensuring crisp and detailed footage.

Does the dash cam support loop recording?

Yes, it supports loop recording, which automatically overwrites the oldest files when the memory card is full, so continuous recording is maintained.

How do I enable parking mode?

Parking mode requires the hardwire kit (sold separately). Once installed, the camera can use motion detection or time-lapse recording when the vehicle is parked.

What size microSD card can I use?

The M2 Max Pro supports microSD cards up to 256GB, Class 10 or U3 speed rating recommended for 4K recording.

Does the dash cam have GPS?

Yes, it has a built-in GPS that logs location, speed, and route data, which can be viewed via the Rexing app or software.

How do I connect the dash cam to my phone?

Download the Rexing Connect app, enable Wi-Fi on the camera, and connect your phone to the camera's Wi-Fi network. You can then view live footage and manage recordings.

What is the field of view?

The lens provides a 170° wide-angle view, capturing multiple lanes and minimizing blind spots.

Is the camera easy to install?

Installation is simple: clean your windshield, attach the adhesive mount, route the cable along the headliner, and plug into the 12V socket. A detailed guide is in the manual.

Does it have a built-in battery?

The camera uses a supercapacitor instead of a battery for better heat resistance and reliability, especially in hot climates. It does not have a long-lasting internal battery.

How do I update the firmware?

Check the Rexing support website for the latest firmware version. Download it, copy to a microSD card, and follow the manual's instructions to update.

USER MANUAL M2 Max Pro Rexing

The information in this manual is subject to change without notice.

www.rexingusa.com

REV012024

Overview

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Notice

1. The user menu is to be set up in non-video mode. If the device is in video mode, please proceed only after stopping the video recording.
2. Memory Card: Using a new MicroSD card always requires formatting it to your device. Regularly clear the memory card, as continuous video recording for an extended period of time may produce some protected files that are not subject to long-term protection (these files may not be overwritten during loop recording) and some storage fragments, which must be cleared regularly in order to save usable storage space.
3. Time-lapse photography should not be enabled while driving. This function captures images more slowly than normal but plays in speed-up mode, which may affect the integrity and continuity of your video.
4. On-board Charger: The standard input voltage is configured to 12V. If a voltage greater than 12V, contact store of purchase or our customer care via [e-mail] to replace it with a replacement charger.
5. The features described in this operation manual are available for all products of the same type. The device you buy may be a model with optional or additional functions. Menu operations may vary. Please refer to your actual product.
6. Pay attention to the mounting position, which must not interfere with driving or lead to unsafe driving operation. Make sure it is safely secured.
7. A standard 6-meter cable is provided for the rearview camera. It is not recommended to install this type of dash cam if your car is larger than the connection cable range.

What's in the box?

1. M2 MAX PRO
2. Rexing rear camera
3. Type C Smart Hardware Kit

4. GPS Logger

5. In-car power cable (12ft)

6. Cable Management Tool
7. User Manual
8. Warning Sticke

Camera Overview

Type-C Port
Rearview Camera Port
MicroSD Card Slot
GPS Port
Display/Touch Screen
Front Camera
Reset Key Pinhole
Speaker
MIC Pinhole
Power Key

Designation Description of Functions

Power Button	In connection with an external power source, in the power-off state, press and hold the power button on the bottom for three seconds to start the device. In a power-on state, press and hold the power button for three seconds to switch off the device.In a power-on state, press this button quickly to turn the screen backlight off. Press it again to turn the backlight on.
Display / Touch Screen	Except for power - on/off operation, all other primary functions can be accessed on the LCD touch screen.
Reset Key	If the device crashes, unplug the power source, OR stick a pin into the reset slot labled R on the back of the device to resume normal operation.
	Power Port Type-C
GPS Port	Plug the included GPS Logger into the GPS port to utilize the location tracking function.
Micro SD Card Slot	A slot for inserting a MicroSD card
Front Camera	Front camera faces the same direction as the front of the vehicle and captures videos/images in front of the car.
Rear Camera Port	Rear camera plug-in port labled AV port on the top of the device.

Note:

• Press the Power Button to turn On or Off the screen
• Press and hold the Power Button for 3 seconds to turn the device on or off

Screen Icons

1. Home
2. Start/Stop Recording
3. Capture Snapshot
4. Audio Recording On/Of
5. Lock/Unlock Video
6. Front/Rear view
7. GPS Status
8. G-Sensor
9. Memory Card Inserted
10. Wi-Fi Status
11. Date & Time
12. Resolution
13. Recording Duration

Note:

• If the screen is off, tap the screen to turn it back on.
- If the icons on the screen are hidden, tap the screen to display the icons.

Get Started

Memory Card Installation

Step 1. Insert a Memory Card

You will need to insert a memory card before beginning recording. Push the memory card into the slot until it locks in place.

The M2 MAX PRO dash cam accepts memory cards with a maximum capacity of 256GB. Depending on the memory card's manufacturer and type, some cards may not be compatible with the dash cam. Using an incompatible card may damage the device, the memory card, or corrupt the data stored on it. For reliable operation, use a Class 10 memory card with a capacity of at least 32GB.

Technical line drawing of a mechanical or electronic component with no visible text, numbers, or symbols.

Note:

DO NOT insert or remove a memory card while the device is in operation.

It is recommended that you reformat the memory card every time images are transferred to the computer, or at least once a month.

Reformatting a memory card keeps important elements of data and also a cleaned file structure which helps to prevent error messages and missing images. Reformatting also restores the memory card, which can help prevent it from becoming corrupted.

Step 2. Formatting the Memory Card

1. Tap the icon to stop recording
2. Tap the icon to access settings
3. Toggle down to Format
4. Tap OK to format the card

Please format the card on the dash cam before using it. Before formatting a memory card, always remember to make backup copies of all important data stored on the device. The manufacturer's warranty does not cover loss of data resulting from user actions.

Note

Removing the memory card

Before removing a memory card from your dash cam, you must first unmount it for safe removal.

1. Tap the icon to stop recording
2. Press and hold the power button to turn off the device
3. Gently push the memory card in and let go until it releases

Do not remove the memory card while the device is transferring or accessing information. Doing so can result in data loss, corruption, or damage to the memory card or device. Rexing is not responsible for losses that result from the use of damaged memory cards, including the loss of data.

Dash Cam Installation

1. Strap the dash cam to the rearview mirror of your vehicle with the rubber mounting strap. Adjust the angle of the cameras to ensure that it captures your desired view.
2. Mount the rear camera as shown below and then connect the rear camera to the main unit. Carefully route the power cable around the door and tuck in under the trim.

Rear camera wiring options Connected to the reversing light

The rearview camera has two wire routing options as shown in the above figure. The first part of both options is characterized with concealing the wire routing against the edges of the door(s).

The device is configured with a streaming media rearview camera that provides clear traffic view behind the car. To obtain clearer and more intuitive images, it is recommended to mount the camera above the license plate (as shown by option B).

1. The device will be automatically be powered on when plugged into a 12V accessory socket or cigarette lighter and received a charge (i.e.: the vehicle is started). To turn the device on manually, press and hold the Power button for 3 seconds until the welcome screen appears. The dash cam will automatically start recording when powered on.

2. The red wire of the rear camera cable provides a 12 Volt power to your rear camera. It is not necessary to connect the red wire to the power supply. But if you want to use the parking assist function, it's recommended to connect to the power source of your reverse lights, so the screen will display the image of the rear camera automatically when the vehicle is in reverse. If you need more installation information, please reach out to [e-mail] for assistance.

Note:

The optional rearview camera is mounted on the rear of the car. Pay attention to its orientation during installation. Plug the rearview camera connector into the corresponding port of the dashcam once the installation is completed. Adjust the position of the lens to ensure that it aligns horizontal with the ground. Start the engine to check the video functionality of the device.

1. Plug the GPS module into the GPS port and secure the module to a position close to A-pillar of the car. The antenna receiver side (the side without 3M adhesive) faces the outside and the side with 3M adhesive faces down. It should be properly secured.

1. When connecting the charger to the vehicle's 12V DC outlet, be sure to use only a Rexing-approved charger. The charger should be at least a 2.5A charger which is designed and supplied specifically for use with your device. Using an incompatible charger can cause serious personal injury or damage to your device.

Line drawing of a medical device with a label 'RECH' and a connector inserted into the jaw (no other text or symbols)

Note:

Due to unstable voltages caused by starting the car engine, a voltage fluctuation in some vehicles may be especially obvious. If a flashing screen or some other unforeseeable operating problem occurs when you start the engine, it is recommended to unplug the device from the charger before starting the engine, and then reconnect it after the engine is running.

Note:

• Press the Power Button to turn On or Off the screen
• Press and hold the Power Button for 3 seconds to turn the device on or off

We kindly suggest taking a moment to watch our tutorial video. It's designed to help you have a smooth and successful installation experience. We believe you'll find it very helpful!

Please scan QR code

or go to shop.rexingusa.com > Buyer's Guide > How to Install a Dash Cam

Basic Operation

Video Recording Operation

With a MicroSD card inserted in the device, it will record automatically in video mode after starting. A red indicator will flash in the upper left corner of the screen during video recording.

Press the icon to stop recording

Press the icon to start recording when no recording is active.

Press the icon to take a snapshot.

Press the unlocked icon during recording will lock the current video file and the icon will change to the locked icon 🔒 at the same time.

Press the icon again to unlock the current video and the icon changes to the unlocked icon

Press the icon to stop audio recording.

Touch the icon again to start audio recording.

Swipe left/right to reveal front and rear camera view.

Home Interface

Choosing the home button brings you to the home screen where you can find smart drive, file explorer, camera settings, and system settings

Smart Drive

Outline

RCW refers to Rear-End Collision Warning. This warning system will trigger an alert when an object or vehicle is detected by the rear camera.

ADAS, or Advanced Driver Assistance Systems, enhance vehicle safety and support the driver during operation. Key features include forward collision and lane departure warnings.

BSD refers to Blind Spot Detection, which monitors in real time any vehicle in the blind spots on both sides during driving. It gives an alert so as to reduce the risk of traffic accidents that are likely to occur when you intend to shift to another lane. It is also called LCA (Lane Change Assist).

RCW and BSD systems may be interfered with by sunlight, inadequate lane lines, rain, and fog. Certain impacts may be affected by these inaccuracies, and some collisions may not be avoidable. Currently, the RCW provides a rate of accuracy between 80 to 90 percent during the daytime and 60 to 70 percent at night. BSD provides a rate of accuracy around 90 percent during the daytime and around 80 percent at night.

Disclaimer:

The system is a safe driving assistant system and it cannot be used as a proof for the liability of traffic accidents.

ADAS / RCW / BSD Calibration

The Rexing M2 Pro MAX is equipped with an auto-calibration feature that activates during the first few minutes of driving, optimizing device performance.

Playback Mode (File Explorer)

Key Functions

1. Front camera video file

2. Locked video file

3. Return to home

4. Rear camera video file

5. Image files

Enter the file list interface and touch the 🔒 icon to lock a video file. For a locked video file, touch the icon 🔒 to unlock the file. For unwanted video and picture files, touch the icon 🔒 to delete the file. To play a video file, touch the file name. During playback, touch the 🔒 icon to pause it. Touch 🔒 to scroll up the files and touch the icon 🔒 to scroll down the files.

For an image file, touch the file name to enter the full screen view. Touch 📂 to scroll up the files and touch the ⏻ icon to scroll down the file. On the file list page touch 📋 to delete a file.

Note

Locked files will not be overwritten by loop recording. When there are too many locked files or the Locked files full message is prompted, please backup the files and delete them from the device.

Camera Settings

• Video Resolution: 4K Front + 1080P Rear
- Loop Recording: 1, 2 and 3 minutes. Video record is saved in segments. When the storage card is full, the earliest recorded video will be overwritten in order to maintain loop recording status. The time length in menu is the duration of each recording.
• Frequency: 50HZ, 60HZ
G-sensor Sensitivity: High, Medium, Low, Off

Note

The gravity sensor can pick up on when the car shakes violently or receives an impact and the system will automatically save the current recording as a protected file. This feature performs the same function as the manually activated emergency lock. If the emergency mode is not activated automatically, touch the 🔒 icon during recording and apply the manual lock to protect the current video file.

• Rear camera direction

Normal, Flip, Mirror, Flip+Mirror

Time Stamp

Off, On

• HDR (High dynamic range)

Off, On

• Parking Monitor (On, Off)

This feature is on when you see the illuminated icon in the status bar on the video recording interface, and it is off when you see the grayed-out icon. When the parking monitor is activated, its standby state will be activated after the engine is turned off. When the car is shocked by an external force and the sensor detects the impact, the system will begin video recording (Intelligent hardwire kit required).

The characteristics and precautions of the parking monitor are as the follows:

1. With the use of the smart hardwire kit (sold separately). After the car engine is turned off, the smart hardwire kit detects the power loss and sends a command to the host device. The system enters a standby state. The Type C plug must always be kept connected to the USB port of the device so as to ensure a constant power supply to the smart hardwire kit.

2. In parking mode, the dash cam will turn on, record a 15s video, lock the video, and then turn off again. When a recording is started, the screen does not light up and there is no booting sound.

3. When the engine is restarted and the parking monitor has been activated, a prompt will be immediately indicated as shown below:

Notice

Crash happened during parking. Please check the video.

1. Monitoring files are saved in the folders VIDEO_F_LOCK and VIDEO_R_LOCK.

System Setup

Wi-Fi

On, Off.

Volume Setup

0, 1, 2, 3, 4 Sets the audio volume of the system.

- Screen sleep

1 Minute, 3 Minutes, off Sets the time to activate the screen's sleep mode. The display remains on without powering-off when sleep mode is deactivated.

- Speed Unit

km/h or mph Sets the speed unit.

Key Tone

Off, On

• Daylight Savings Time

Off, On

- Language Setup

English, Chinese, Japanese, and other languages.

• Time Zone Select

Select your timezone.

- Time Setup

System time setup.

• Satellite Information

Check GPS information status and GPS signal condition.

• System Formatting

Confirm, Cancel.

Note

Formatting removes all files (including protected files) from the storage card. Files cannot be restored after formatting. Please, back up important files before formatting.

- Version

System version

- Restore Factory Settings (Confirm, Cancel)

Select Confirm to restore system default values. Settings made by the user will be altered.

Parking Monitor (Parking Surveillance Mode)

Parking monitor provides surveillance on your parked vehicle.

Option 1

Vibration Detection

Please select your preferred mode from the camera settings, it will allow the dash cam to switch to parking mode automatically if the vehicle's engine turns off and switch back to the normal recording after vehicle's engine turns on.

Rexing Smart Hardwire Kit with Type C port is required (Package Included).

This feature will allow the dash cam to switch to parking mode automatically if the vehicle's engine turns off and switch back to the normal recording after the vehicle's engine turns on.

Note

Please DO NOT ENABLE the Parking Monitor function in the settings of the dash cam WITHOUT connecting a smart hardwire kit. They may cause a malfunction.

Gravity Sensing Record

The Gravity Sensing detects significant or sudden movement (such as an impact or collision), it will trigger an event recording. We suggest setting the “Gravity Sensing” to High sensitivity for Parking Mode Recording.

Note

If you do not use the parking mode function, please change the Gravity Sensing sensitivity to low. Otherwise, the video will easily be locked and the video cannot be deleted by the loop recording function. This will cause the memory card to be full of locked videos and cause the recorder to fail to work normally.

Option 2

Motion Detection

To use this feature, you need to connect it with a Rexing Intelligent Hardwire Kit with type C port (UPC: 810046604090, sold separately). Make sure that the Parking Mode is turned off on your dash cam, otherwise it may cause a malfunction.

Once the sensor had detected MOTIONS. The intelligent hardwire kit will power up the dash cam automatically and start recording until the MOTION is cleared.

Please go to

https://www.rexingusa.com/hwk-install/

to watch a video tutorial about the installation or scan the QR code

Monitoring files are saved in the folders VIDEO_F_LOCK

Check Recorded Files with a Computer

1. Unplug the used MicroSD card and place it into a card reader
2. Connect the card reader to the USB port of the computer. Open the removable disc and you will see the following file folders

• PICTURE: Pictures saved
• VIDEO_F/VIDEO_R: Video records of front and rear road tracks
- VIDEO_F_LOCK/VIDEO_R_LOCK: locked video records of front and rear road tracks

Note

Be careful when deleting any locked video. Important videos, if any, should be backed up.

1. To play videos or browse pictures, your computer must have the necessary software available.
2. Backup Files

If you intend to keep important and memorable videos and pictures for a long time, we suggest that you make a copy of each file from the card to your computer. Do not save them in a new folder created in the same storage card; doing so will reduce the available space of the card.

GPS Logger

You can then access this information while playing back your recordings using the GPS Video player (For Windows and Mac, available at rexingusa.com)

The dash cam will automatically search for the GPS signal once it's connected to the power source. Press the HOME button and go to System Settings. Toggle the GPS Speed Unit setting, and select your favorite speed unit.

After a GPS signal is found, the screen icon will turn from Gray to green as per the below icons. It will record the speed and location of your vehicle as you drive.

GPS function active GPS Signal (not found)

GPS Date-Time Troubleshooting

If your dash cam GPS data and time are incorrect please go to

https://www.rexingusa.com/gps-data-time/

OR scan the QR code below.

Download GPS Video player

Please download GPS logger player through the link OR Scan the QR Code below.

Wi-Fi Connect

Step1

To enable the Wi-Fi feature, go to system settings, find Wi-Fi, and choose On.

Step 2

On your mobile device, navigate to your Wi-Fi settings. Connect to your dash cam's Wi-Fi by tapping its name when it appears. Enter your dash cam's Wi-Fi password if you are prompted to do so.

Note: On same mobile devices, you may have to try to connect more than once. To ensure you've successfully connected, your mobile device's screen should resemble the example shown.

Step 3

Once you're connected to the dash cam, open the Rexing Connect app on your mobile device. Please select "Keep Trying Wi-Fi" if you see the notification on the right.

Step 4

In the app, hit the "Connect" button to connect to your dash cam, allowing you to access live view and view/download your recordings.

Note

To disable Wi-Fi, go to system settings, find Wi-Fi, and choose OFF.

Rexing Connect App

Easily download the app by scanning the QR code below or search via the App Store or Google Play.

Wi-Fi Connect Troubleshooting

If you bring up the Rexing connect app and cannot connect your phone to the dash cam please go to

https://www.rexingusa.com/wifi-connect/

OR scan the QR code below.

Product Specifications

Display	IPS Touch Screen
MicroSD card	Class 10 and above (supports a card capacity up to 256GB)
	Built-inSpeaker
	Built-inMIC
	TSVideo format
	JPGPicture format
	3840 X 2160(4K) Video resolution
Available languages	English, Chinese, Japanese, and other languages.
	YesG-SENSOR
	1, 2, 3 minutesLoop recording
	DC5V 2000mAInput current

Note

Be careful when deleting any locked video. Important videos, if any, should be backed up.

General Troubleshooting

Trouble Possible Causes Solution

Device fails to power on	Defective connection with the charger or burned out fuse	Check the plug to the cigarette lighter or check the charger fuse for continuity
Device fails to record video or take a picture	• MicroSD card is not inserted or recognized by the device.• Card error notice/please format notice• Insufficient space notice when taking a picture	Plug in the card. If the card is not recognized, unplug it and plug it in again, or clean up any contamination from the card contacts, or format the card by connecting it to a computer.Format MicroSD storage cardDelete some files or unlock to release storage space, or format MicroSD card.
Video does not play smoothly	Slow reading speed of the card reader or insufficient system ROM of the computer	Change card reader or copy the video file to your computer, and then play it again. If this does not solve the problem, try another computer.
All buttons fail to function	Program error or wrong operation	Press Reset Key to restart the device.

Warranty & Support

Warranty

The M2 MAX PRO comes with a full 12-month warranty. If you register your product on our official site (https://www.rexingusa.com/support/registration), you can extend the warranty to 18 months.

Support

If you have any questions regarding your product, please do not hesitate to contact us at [e-mail], or call us at [phone]. Queries are typically answered within 12-24 hours.

Your opinion matters

M2 MAX PRO is firmly committed to always improving our products, services, and user experience. If you have any thoughts on how we can do even better, we welcome your constructive feedback and suggestions.

Connect with us today at [e-mail]

Thank you for choosing Rexing!

FCC ID : 2AW5W-M2Max

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate this equipment.

REXING®

MADE IN CHINA