ITEM NAME:Black Smart Chain Lock 80Cm Smart Waterproof Bluetooth Lock 110Db Latest An N6G6 Black Smart Chain Lock 80Cm Smart Waterproof Bluetooth Lock 110Db Latest An N6G6 Powerful anti-theft smart cable lock,has the functions of anti cutting, anti disassembling removing alarm and vibration alarm. IP44 waterproof grade, can use both indoors and outdoors. Alarm sound up to 110dB, effectively frighten the thefts. strong anti-theft high quality material. Easy control with APP, you can lock and unlock your bike or motorcycle with your phone (Android 4.3,iPhone4s above systems and Bluetooth 4.0 version). Power: 3 *AAA alkaline batteries(not included) Cable(Chain) length: Approach. 80cm Working temperature: -10℃~+60℃ Storage temperature: -20℃~+80℃ Product weight: 725g/25.5oz colour:black Material:Metal + nylon Package Contents: 1 * Bluetooth Chain Smart Lock