V1-4K - Dash cam Rexing - Free user manual and instructions

Product Type	Dash camera
Brand	Rexing
Model	V1-4K
Video Resolution	4K (3840x2160)
Display	2.4-inch LCD (estimated)
Lens Angle Adjustment	Yes, manually adjustable
Storage	Micro SD up to 512GB, Class 10/UHS-1 or higher
Power Source	12V DC car charger (cigarette lighter)
Loop Recording	Yes, continuous (overwrites oldest files)
G-Sensor	Yes, gravity sensing for event detection
Parking Monitor	Yes, with optional hardwire kit (vibration or motion detection)
Wi-Fi	Built-in, works with Rexing Connect app
GPS	Optional external GPS logger (sold separately)
Warranty	12 months standard, extendable to 18 months upon registration
Maintenance	Clean lens with a soft, dry cloth; keep windshield area clean
Safety Features	Electrostatic sticker to avoid damage; tamper warning sticker included
Included Accessories	Car charger, mount plate & 3M adhesive, cable clips, cable management tool, electrostatic sticker, warning sticker, quick start guide, safety guide

Frequently Asked Questions - V1-4K Rexing

How do I install the Rexing V1-4K dash cam?

First, clean the windshield and attach the electrostatic sticker. Then, place the 3M adhesive on the mount plate and press it onto the windshield behind the rear-view mirror. Insert a Class 10 Micro SD card, connect the car charger, and power on the device. The camera will automatically start recording. For detailed steps, refer to the manual.

What memory card is compatible with the V1-4K?

It accepts Micro SD cards up to 512GB with a minimum speed of Class 10 or UHS-1. Higher speed cards are recommended for 4K recording.

How do I format the memory card in the camera?

Insert the card, power on the camera, stop recording by pressing REC. Press the MENU button twice to enter System Setup. Use REC and MIC buttons to navigate to Format, then press OK to confirm. This ensures error-free recording.

How do I connect the dash cam to Wi-Fi?

With the camera powered on, press and hold the REC navigation button to enable Wi-Fi. On your phone, go to Wi-Fi settings and connect to the camera's SSID (shown on screen) using the displayed password. Then open the Rexing Connect app and tap Connect.

Can I use parking mode without a hardwire kit?

No, parking monitor requires the optional Smart Hardwire Kit (sold separately) to provide continuous power. Without it, do not enable this function to avoid malfunction.

How do I playback videos on the computer?

Remove the Micro SD card and insert it into an SD card adapter, then into your computer. Alternatively, connect the camera via USB and select Mass Storage on the camera. Videos are located in the \CARDV\MOVIE folder.

What is the warranty period for the V1-4K?

It comes with a 12-month warranty. If you register at https://www.rexingusa.com/support/registration within 30 days, you can extend it to 18 months and receive a free gift.

How do I take a photo with the dash cam?

Stop video recording and press MODE to switch to Photo Mode. Press OK to take a photo. To view or delete photos, switch to Playback Mode and use REC/MIC to navigate.

How do I set the GPS speed units?

Press MENU twice to enter System Settings. Navigate to GPS Speed Unit and choose your preferred unit (e.g., mph or km/h). GPS signal must be active (green icon on screen).

What should I do if the camera is not recording?

Ensure the memory card is properly inserted and formatted. Check that the camera is receiving power (blue LED solid). If still not recording, press REC to start manually. For further issues, contact support at [e-mail] or call [phone].

USER MANUAL V1-4K Rexing

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

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1. Overview

Thank you for choosing Rexing!

We hope you love your new products as much as we do. If you need any assistance, or have any suggestions to help us improve, please contact us.

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Product Support

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2. What's in the Box

1. 1. 1. 1. 

Line drawing of a medical device with attached cable and sensor (no text or symbols)

1. 

Simple line drawing of a bent tool or blade (no text or symbols)

Simple line drawing of a bag with five rectangular blocks inside (no text or symbols)

1. 

9.7.6.

1. Rexing V1-4K Dash cam
2. Car Charger
3. Mount Plate & 3M Adhesive
4. Warning Sticker
5. Cable Management Tool
6. Cable Clips
7. Quick Start Guide
8. Safety Guide
9. Electrostatic Sticker

3. Camera Overview

1. Micro SD Card Slot
2. Power Button
3. Reset Button
4. Menu Button
5. Mode Button
6. REC (Record) Button
7. OK (Confirm) Button
8. MIC Button
9. Screen Button
10. Mini-USB Port
11. GPS Logger Port
12. Rear Camera Port (Not Supported)
13. Lens Angle Adjustment

* The camera is recording when the LED is flashing red.
** The device is charging or powered on when the LED is solid blue.

Screen Icons

4. Installation

Step 1: Installing the Electrostatic Stickers

1.1 Prepare Your Windshield

Thoroughly cleanse your windshield with either water or alcohol. Follow this by wiping it dry using a clean, dry cloth to ensure a spotless surface.

1.2 Position the Sticker

Next, carefully peel off the protective film from the electrostatic sticker. Attach the sticker to the windshield, ideally behind the rear-view mirror. This position is recommended to avoid obstructing your view while you're on the road.

Step 2: Install the Dash Cam

Place the 3M adhesive on the mount plate and properly orient the mount piece to the roof and hood line of the vehicle.

Important! Ensure the T-interlock on the mount is oriented in the correct direction. Firmly press the mount onto the windshield.

Orient the mount as shown

Diagram showing a car with a sensor emitting a light beam, enclosed in a circle (no text or symbols)

Step 3: Insert the Memory Card

The Rexing V1-4K accepts [Class 10/ UHS-1 or higher] Micro SD memory cards up to 512GB. You will need to insert a memory card before you can begin recording. Before inserting or removing a memory card, first ensure you've powered down the device.

Gently push the memory card in until you hear a click, and allow the spring release to push the card out.

Step 4: Power the Camera and Format the Memory Card

Power the camera by connecting the charger to the car cigarette lighter and the camera

To ensure the V1-4K records to your memory card properly and without error. Before you start using a new memory card, you must from at the card within the camera using the format function. Always backup important data stored on the memory card before formatting.

To format the memory card, make sure you have inserted your memory card, then turn on the device by connecting to a pwoer source. Press REC to stop recording. Then press the MENU button twice to enter the system Setup Menu. Use the REC and MIC buttons and go to the Format settings. Press the OK Button to confirm the selection.

You may now disconnect from power. The camera will shut down after 3 seconds. The camera should begin recording automatically the next time it is powered on.

Step 5: Installing the Camera onto the Windshield

Place the camera on the mount and carefully route the power cable around the windscreen and tuck in under the trim.

Plug the Car Charger Cable into a 12V DC power outlet or the car cigarette lighter.

Connect car charger to the camera. The camera will auto-start recording once powered on.

5. Basic Operation

Device Power

The device is automatically powered on when plugged into a 12V accessory socket or cigarette lighter and receives a charge (i.e.: the vehicle is started.)

To turn the device on manually, press and hold the POWER button until the welcome screen appears.

The camera will automatically start recording when powered on.

Press an hold the POWER button to turn the device on manually

Line drawing of a handheld device with control buttons and a rotary dial (no text or symbols)

Menu Settings

Power the camera on. If the camera is recording, press the REC button to stop recording. Press the MODE button to toggle to the desired mode.

Press the MENU button once to enter the settings menu for a Mode. Press the MENU button twice to enter the System Settings.

Press the Mode button and toggle to the desired Mode

The camera automatically start recording when powered on

Video Recording

The camera will automatically start recording when the device receives a charge. The LED lights and the red dot will blink when the device is recording. Press the REC button to stop recording.

Video Playback

Playback of videos can be done on the device or a computer. Also, if you have purchased a Rexing GPS Logger you may play back the recordings in a specialized application.

To playback a video on the device, toggle to the Playback mode. Use the REC and MIC buttons to toggle to the desired video. Press the OK button to play.

Playback mode

Control playback with these buttons

During playback use the OK (pause), MIC (fast forward), and REC (rewind) buttons to control the video playback.

To playback a video on the computer, either use an SD card adapter or connect he device to the computer directly using the USB to Mini USB cable.

Diagram showing a device with a card and a rectangular block, no text or symbols present

To playback a video using an SD card adapter, remove the memory card and insert it into an SD card adapter. Place the adapter in the computer.

To playback a video using USB cable, connect the USB Cable to the device and the computer. After the device powers up, press the OK Button to select Mass Storage.

On the computer, navigate to the device drive. The video are stored at: \CARDV\MOVIE. Select the video to playback.

Parking Monitor (Parking Surveillance Mode)

Parking monitor provides surveillance on your parked vehicle. When the engine is off, the hardwire kit is used to provide continuous power and protect your car battery from being discharged.

Option 1: Vibration Detection

To enable the Parking Monitor, you'll need to connect it with a Smart Hardwire Kit (sold separately).

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.

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.

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

Option 2: Motion Detection

To use this feature, you need to connect it with a Rexing Intelligent Hardwire Kit (sold separately).

Make sure that the Parking Mode is turned off on your dash cam, otherwise it may cause a malfunction.

Once the sensor has 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 below.

Wi-Fi Connect

Step 1

With your dash cam powered on, hold the REC navigation button to enable the Wi-Fi function. The Wi-Fi name (aka the SSID) and password for the dash cam should be displayed on-screen.

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 examples 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: Hold to the REC button for 2 seconds to disconnect the Wi-Fi.

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.

GPS Logger

(Need to purchase separately)

When connected to the camera, it will record the speed and location of your vehicle as you drive.

The dash cam will automatically search for the GPS signal once it's connected to the power source.

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

Press the MENU button twice and enter the System Settings.

Toggle to the GPS Speed Unit setting and select your preferred speed unit.

After a GPS signal is found, the screen icon will turn from blue to green.

Please visit gpsa.rexingusa.com to watch a video tutorial.

GPS Signal (not connected)

GPS Signal (active)

Simple circular diagram with a pie slice and signal waves, no text or symbols present

GPS Date-Time Troubleshooting

If your dash cam GPS date and time are incorrect please go to https://www.rexingusa.com/gps-date-time/ OR scan the QR code below.

Taking Photo

To take a photo, stop video recording and toggle to the Photo Mode. Press the OK Button to take a photo.

To view a photo, stop video recording and toggle to the Playback Mode. Press the REC and MIC Buttons to toggle through your photos.

To delete a photo, stop video recording and toggle to the Playback Mode and toggle through the videos and photos to the one you want to delete. Press the MENU button once and toggle to the Delete option. Press the OK Button and select Delete Current or Delete All.

Toggle to the Playback mode and select a photo to view

Toggle to the Delete option

Choose the desired option

Warranty & Support

Warranty

The Rexing V1-4K Dash Cam 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

Rexing 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!

FCCID: 2AW5W-V1

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.

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