Place of Origin : Shenzhen,China

Rotating outside/inside lever can lock deadbolt.
Blue background light, convenient for night use.
“Normal open”Status can be set for meeting or events.
Operated by four AA alkaline  batteries, with low voltage alert.
A 9V stand-by battery for emergency.
Antistrike function: When the door is closed, the antistrike  latch is pressed against the doorframe, which prevents the door from being opened simply by something like credit card.
Gear clutch adopts motorization design. It is the co