110db Built in Security Alarm 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.
Can be used on door, window, bicycle with a Chain ( Chain not included ), container, motor bike, tricycle, pull gate, garden, etc.