It will be triggered to alarm when somebody is spying or smashing the locks.
2.180 high-decibel siren alarm; effective deterrent to criminals;
3. Automatically armed after 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, all-round protection;
7. The same way install with the ordinary locks;
When you go out and close your door, rotate two laps the padlock with the key so that close the door lock, means the lock was armed. It will alarm and effective detrrent to criminals with the 180 high-decibel siren alarm if the lock was pried.
Combines locking function with alarming function. Built-in movement triggered alarm, which can emit loud sound when the lock is hit or shaken.