Anti Theft Siren Aluminum Alloy Alarm 70mm Padlock

Features:

- Combines locking function with alarming function

- Built-in movement triggered alarm, which can emit a 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 doors, windows, bicycles, containers, motorbikes, tricycles, pull gates, gardens, etc.

- Corrosion-resistant, waterproof and durable to use

- Powered by six-button batteries

- Supplied with three keys

Note: When you place the shackle with groove into the lock near the key port, then the lock comes into an alarm state. When the shackle with groove is placed away from the key port, the lock is just in the mechanical lock state.