The lock is a dedicated designed 2-in-1 security alarm lock with electronic alarm and mechanical burglary protection system, use keys to turn on / off alarm device. Suitable for disc locks on motorcycle, bicycle or scooter, luxury windows and doors as well.

Main Features:
- Rigorous mechanical lock core design
- Suitable for disc brakes with a thickness of up to 7mm
- Pressed by hand can be unlocked, without keys, safe and convenient
- With water resistant and anti-damage function
- Main parts are made of high-quality harden stainless steel and metal
- Sensitively alarm by external vibration or shock in the burglary protection alarms mode
- Battery: Built-in 6 button batteries
- Color: Silver gray, orange, yellow and blue optional

Note:
- If the alarm sound is too low or the alarm fails to work normally or the program is not in order, please timely change the batteries
- If the bolt loosed, please tighten it timely to avoid potential risks