AMT 185 Smart Door Lock

Two setting: one with alarm, the other without. 105-110 db alarm that sounds when tampered; Shake shock move or vibrate sensor; Can be used on door, window, bicycle, container, motor bike, tricycle, pull gate, garden, etc., Universal Alarm Padlock 110db Siren Heavy Duty Security Alarm Lock for Bicycle Motorcycle Door Gate Bike Shed Bolt Chain Lock 110 dB Alarm; 17mm Shackle Diameter; Anti-cut; Corrosion Resistant; Waterproof; Hot Processed and Hardened Shackle; Suitable for all weather conditions; Good to have one for your bike or gate., Package includes: 2x Alarm padlock; 3 x security keys; 6 x button cells, 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