LianShi Universal Security Alarm Lock SystemAntiTheft for Door Motor Bicycle Padlock 110dB with 3 Keys Black

Alarm lock 110dba; Built-in movement triggered alarm, which can emit loud sound when the lock is hit or shaken.Anti-cut., Heat processed and hardened latch is abrasion resistant and rust free, with a round core diameter of 0.39 inches and a latch height of 1.7 inches., Can be set to two states: mechanical lock and alarm lock, simply switch the direction of the latch left and right into the lock body can be. Low false alarm rate of the first vibration beep two times, followed by another vibration beep 11 seconds to stop, low power consumption., Can be used on door, window, bicycle, container, motor bike, tricycle, pull gate, garden, etc., Packing list:1 * Alarm lock ,3 * Keys,1 * 6 * AG13 button batterie