The unlock password can be authorized through the Tuya App the validity period of the password can be set freely You can view the unlocking record of the smart door lock in real time through the APP and control the home security at all times Electronic anti-theft lock button.When the button is turned on.Only the manager can open the door.Ordinary users cannot open the door The smart lock supports normally open mode and alarm function. When multiple verifications fail, the system will issue an alarm.Low battery alarm. Smart electronic password lock is suitable for homes, offices, hotels, apartments schools and other places, Manufacturer: DRAUXI