high-capacity
BatteryLong-lasting Battery: No extra buy batteries, built-in 37wh large rechargeable battery, the smart door lock provides 365 days of ultra-long standby, energy-saving, environmentally friendly and trustworthy.
Easy DIY InstallationSeamlessly compatible with most standard deadbolt spacings, it can be installed within 15 minutes sans drilling. Revel in worry-free usage with a 24-month protection plan and round-the-clock customer support for your keyless entry door lock.
1
App Remote Control
2
Voice Control
3
Doorbell
When the video smart lock MD121 runs out of power, how do you unlock it? When the battery level drops below 10%, you will receive a low-battery notification. If the battery is completely drained, you can power it up via the port on the exterior lock. You can also unlock the device with the physical key in case of no power
How can I verify if my video smart lock MD121 is installed correctly? The smart lock is properly installed if the following conditions are met:
The latch works smoothly and the lock feels secure.
Biometric functions (fingerprint, password) operate normally.
The Wi-Fi for remote control and camera viewing is stable.
Why can't my app connect to the smart lock MD121?
Check the following:
Battery level: Ensure it is 80%.
Wi-Fi: Connect to a 2.4GH z network.
Bluetooth: Enable Bluetooth and grant app permissions.
Try a factory reset (follow the instructions in the manual).