Multi-function: This smart door lock with keypad is also featured with low battery alarm / mute mode / passage mode / 5s Auto-lockNote: there is NO one-touch lock function in interior door knobs. Efficient Touchscreen Keypad: Keypad door lock's touchscreen design ensures optimal performance, eliminating issues associated with stuck physical buttons. Blue Backlight adds to the convenience of password entry even in low-light conditions, making keyless entry easier. Enhanced Security: Keypad door knob automatically secures your home in 5 seconds for peace of mind. Smart door knob with keypad automatically locks 5 seconds after unlocking. No more forget to lock the door. Anti-Peep Password: Prioritizing your safety, keyless entry door lock with handle features an anti-peep password function. Add any random digits before and after correct password with confidence. Password pravicy function protects your password from being leaked. Heavy Duty: Made of Zinc Alloy, heavy-duty d