D31TDH - Intercom DoorBird - Free user manual and instructions
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| Product Type | IP Digital Video Intercom |
| Brand | DoorBird |
| Model | D31TDH |
| Dimensions (L x W x H) | 130 x 65 x 25 mm |
| Weight | 250 g |
| Power Supply | PoE (Power over Ethernet) IEEE 802.3af or AC/DC power adapter 12-24 V |
| Camera Resolution | HD 1280 x 720 pixels |
| Viewing Angle | 160° horizontal, 90° vertical |
| Night Vision | Integrated infrared LEDs (up to 5 m) |
| Audio | Integrated microphone and speaker, two-way communication |
| Connectivity | Ethernet 10/100 Mbps, Wi-Fi 2.4 GHz (802.11 b/g/n) |
| Main Functions | Motion detection, connected doorbell, access control via app, video recording on FTP server or cloud |
| Maintenance and Cleaning | Clean with a soft, dry cloth; avoid abrasive products |
| Security | HTTPS encryption, two-factor authentication, built-in firewall |
| Spare Parts and Repairability | Available from the manufacturer; repairability index 7.5/10 |
| General Information | Indoor and outdoor use (IP54), operating temperature -25 to +50°C |
| Warranty | 2 years (parts and labor) |
| Compatible Apps | iOS and Android (free DoorBird app) |
| Storage | Recording on microSD card (up to 128 GB) or NAS |
Frequently Asked Questions - D31TDH DoorBird
How to install the DoorBird D31TDH?
Attach the wall plate using the provided wall plugs, connect the Ethernet cable (PoE) or power adapter, then mount the device onto the plate. The DoorBird app guides the rest of the setup.
Can the D31TDH be used without a subscription?
Yes, the basic app is free. Advanced features (cloud, enriched notifications) require a DoorBird subscription.
How to connect the D31TDH to Wi-Fi?
In the app, go to Settings > Network > Wi-Fi, select your network and enter the password. The device must first be connected via Ethernet for initial setup.
What to do if the image is blurry?
Clean the lens with a microfiber cloth. Also check your network quality: insufficient bandwidth can degrade the image.
How to activate motion detection?
In the app, go to Settings > Motion Detection. Enable it and adjust the sensitivity as needed.
Is the D31TDH resistant to rain?
Yes, it is IP54 certified, protecting against water splashes and dust. It can be installed outdoors.
How to reset the device to factory settings?
Press and hold the Reset button under the cover for 10 seconds until the LED blinks. The configuration will be erased.
Can I record videos locally?
Yes, insert a microSD card (up to 128 GB) into the slot. Recordings are accessible via the app.
How to share access with other users?
In the app, go to Settings > Users > Add user. Enter their email address; they will receive an invitation to control the intercom.
What to do if the sound is of poor quality?
Check that the microphone and speaker are not obstructed. Adjust the volume in audio settings. If the problem persists, test with another network to rule out high latency.
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USER MANUAL D31TDH DoorBird
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Product information
Brand : DoorBird
Model : D31TDH
Category : Intercom