1. U-lock design: Made of sturdy alloy steel material, it can effectively lock the wheels or frame to prevent the vehicle from being moved or lifted. 2. Alarm device: Built-in vibration sensor or displacement sensor, once the motorcycle is moved or touched, it will trigger the alarm. The alarm sound is a high-decibel alarm sound, which can attract the attention of people around and play an anti-theft role. 3. Battery and maintenance: Powered by replaceable button batteries, regular inspection and replacement are required to ensure the normal operation of the alarm system. 4. Applicable to motorcycles; bicycles, door locks, etc. 5. Material: Alloy steel
