Loud Siren Alarm Lock Anti Theft Security Door System Padlock
>Combines locking function with alarming function.
>Built-in movement triggered alarm, which can emit loud sound when the lock is hit or shaken.
>Adopts MCU core procedures, high-tech integrated circuit and digital sensor chip.
>Can be set to two states: mechanical lock and alarm.
>Low false alarm rate.
>Low power consumption alarm lock.