... alarm Certification:CE,Rohs,FCC house alarm lock,wireless home security system house alarm,safe house burglar ... two laps rotation.4. Padlock with three core key, more keys, low rate of interactive opened, ... high security;5. No remote control, only the key to arm and disarm;6. Electromechanical integration control, ... annunciator Function: When you go out, rotate the key lock 2 turns, door closed, the lock ...