DHI-VTH1550CHW-2-S - Intercom Dahua Technology - Free user manual and instructions
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| Product Type | Video Intercom Indoor Monitor |
| Model | DHI-VTH1550CHW-2-S |
| Display | 7-inch TFT LCD touchscreen, 1024x600 resolution |
| Dimensions (W x H x D) | 200 x 140 x 22 mm (7.87 x 5.51 x 0.87 in) |
| Weight | 0.45 kg (0.99 lb) |
| Power Supply | PoE (802.3af) or DC 12V 1.5A |
| Power Consumption | ≤ 7W |
| Operating Temperature | -10°C to +55°C (14°F to 131°F) |
| Operating Humidity | 10% – 90% RH (non-condensing) |
| Main Functions | Two-way audio, door unlock, monitoring, intercom, alarm |
| Audio | Built-in microphone and speaker, full-duplex |
| Video | H.264/H.265, 1080P recording and preview |
| Network | 10/100 Mbps Ethernet, Wi-Fi 802.11 b/g/n |
| Operating System | Android 6.0 or later |
| Storage | MicroSD card slot (up to 128GB) |
| Protocols | TCP/IP, SIP, RTSP, HTTP |
| Maintenance | Wipe with a soft dry cloth; avoid solvents |
| Safety | Overvoltage protection, surge protection, anti-theft lock |
| Spare Parts and Repairability | Replaceable PoE module, speaker, microphone, screen |
| General Information | Designed for residential and commercial use |
Frequently Asked Questions - DHI-VTH1550CHW-2-S Dahua Technology
How do I connect the DHI-VTH1550CHW-2-S to my network?
Connect the device to your router using an Ethernet cable with PoE support, or use the included DC power adapter. For Wi-Fi, go to Settings > Network and select your SSID. For details, refer to the user manual.
Can I use this intercom with a Dahua door station from another series?
Yes, the VTH1550CHW-2-S is compatible with Dahua door stations that support the SIP protocol. For specific models, check the compatibility list in the manual.
How do I unlock the door using the monitor?
When a visitor calls, tap the door unlock icon on the screen. You can also set up one-touch unlock in the settings menu.
What should I do if the touchscreen is unresponsive?
First, restart the device by disconnecting power for 10 seconds. If the issue persists, perform a factory reset via the Settings menu or using the reset button on the back.
How do I update the firmware?
Download the latest firmware from Dahua's official website. Save it to a microSD card, insert it into the monitor, and navigate to Settings > About > Firmware Update. Follow the on-screen instructions.
Can I view the camera feed from a remote location?
Yes, you can access the monitor remotely via the DMSS app (Dahua Mobile Surveillance System) on your smartphone. Ensure port forwarding is configured on your router.
What is the maximum distance for the doorbell button?
The doorbell button is part of the outdoor station. The monitor can be located up to 100 meters from the outdoor unit if using a wired connection with PoE.
How do I adjust the volume of the intercom?
During a call, use the volume buttons on the side of the monitor. To set default volume, go to Settings > Audio > Volume and adjust the levels for ringtone, speaker, and microphone.
Does the monitor support SD card recording?
Yes, insert a microSD card (up to 128GB) into the slot on the side. You can configure motion detection recording or continuous recording in the Settings menu.
What are the maintenance requirements?
Clean the screen and casing with a soft, lint-free cloth. Do not use abrasive cleaners or solvents. Keep the device away from direct sunlight and moisture. Periodically check for firmware updates.
User questions about DHI-VTH1550CHW-2-S Dahua Technology
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USER MANUAL DHI-VTH1550CHW-2-S Dahua Technology
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Product information
Brand : Dahua Technology
Model : DHI-VTH1550CHW-2-S
Category : Intercom