110 db ABC Touch-tone Bicycle Bike Security Alarm Vibration Sensing Alarm Audible Sound Lock

Description
This practical bike lock utilizes vibration sensor for detection.
When certain vibration is detected, it will instantly produce super loud alert sound.
Perfect to protect your bike in shop, office, home, house, outside or anywhere requiring protection.
Super loud with 110db volume, this bike vibration sensing alarm lock is simple and easy to operate.
The alarm bile lock is applicable for short or long leave cycling, no longer bother to go locked up.
Specification:
Type: bike lock.
Size: 9.8*6cm.
Color: black.
Material: ABS.
Working voltage: 9V.
Volume: 110db.
Note:
There might be a bit color distortions due to different computers resolutions.
There might be slight errors due to different hand measurements.
Package included:
1* Bike lock(battery not included).