After you slide the lock cover the fingerprint window light and key pad light turns on. You can then operate the lock by following a voice prompt.
Time and other information is displayed on the screen. Unlock records can be checked as well.
The HD diamond touch screen is wear-resistant and excellent in feeling
Input any digits before or after the correct password to prevent spying
Open the door with emergency key if out of battery.
Mobile power bank can be used as backup power if the lock runs out of battery.