Universal Security Alarm Lock System Anti-Theft Siren For Door Motor Bicycle Garage Padlock 110dB With 3 Key

- Can be used on door, window, bicycle, container, motor bike, tricycle, pull gate, garden, etc. - Hot Processed and Hardened Shackle (With Rubber Coating); Suitable for all weather conditions; - Can be set to two states: mechanical lock and alarm.Low false alarm rate. Low power consumption. - 110 dB Alarm; Built-in movement triggered alarm, which can emit loud sound when the lock is hit or shaken. Anti-cut; Corrosion Resistant; Waterproof.