Intelligent Phone APP Control Smart Alarm Bluetooth compatible Lock Waterproof 110dB Alarm Bicycle Lock Anti Theft Lock

Product specificationSize: 92X55X34mmMaterial: ABS plastic + copperPower supply: 3 "AAA" batteries (ie 7th battery)Cable specification: length 80cm/M diameter 10mmWorking temperature: -10°C~+60°CStorage temperature: -20°C~+80°CProduct weight: 230gThree AAA alkaline batteriesWhen the power is le than 20%, the red light of the lock flashes quickly, and the mobile phone app will also display a low battery prompt. When the power is le than 10%, the lock will not be locked. Please rep the battery in time.Lock: Install the battery, tighten the battery cover screw, insert the lock, pre the upper button to hear Dididi three times automatically lock (if the above steps are not done, you will not be able to lock)Unlock: Choose to automatically unlock, without operating the phone. When the phone is close, the blue light on the lock flashes to unlock, and when the phone is away, it is locked. It prompts that you can quickly unlock and lock the phone by turning the Bluetooth on and off