Bluetooth Bike Lock Alarm 110dB Universal Security Smart Bike Alarm Lock System Anti-Theft Vibration Alarm for Bicycle Motorcycle Door Gate Lock, APP Control

Product specification
Size: 92X55X34mm
Material: ABS plastic + copper
Power supply: 3 "AAA" batteries (ie 7th battery)
Cable specification: length 80cm/M diameter 10mm
Working temperature: -10°C~+60°C
Storage temperature: -20°C~+80°C
Product weight: 230g
Three AAA alkaline batteries
When the power is less 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 less than 10%, the lock will not be locked. Please replace the battery in time.
Lock: Install the battery, tighten the battery cover screw, insert the lock, press 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