- Material: ABS
- Water resistant and lock control switch
- 120dB high loudness alarm
- Long time use for low power consumption
- Easy installation and operation
- High sensitive alarm
- Alarm method: Vibration (110dB alarms)
- Product inner diameter: 3.2~3.5cm
- Rainproof after correct installation
- Powered by 1 x 9V battery (included)
- Inserted key to the end of clockwise direction, 20s enter in alarm status
- Suitable for motorcycle and bicycle use
- Can NOT replacement your bicycle lock.
- Packing list: 
- 1 x Lock
- 2 x Keys
- 2 x Screws

 -  Color: Blue