Bluetooth Smart Lock

Any damage to the cable (vibrations, clipping, disassembly) activates the alarm immediately and you will be notified through a loud sound, up to 110 dB. The device is waterproof (IP44 approved) and keyless. The lock will only be enabled/disabled through the app, ensuring complete control at your fingertips. SPECIFICATION: Cable length: 80cm (diameter: 10 mm)  Waterproof function: IP44 rating approved. Alarm: 110 dB  Steel cable can be used as self-defense whip  Compatible with iOS/Android  Size: 92 x 55 x 34 mm  Battery life: >12 months (3 x AAA size alkaline batteries)  Material: ABSplastic+copper+cable（chain）  Note : The package doesn’t include the battery.