Description <br> Description <br> This practical bike lock utilizes vibration sensor for detection. <br> When certain vibration is detected, it will instantly produce super loud alert sound. <br> Perfect to protect your bike in shop, office, home, house, outside or anywhere requiring protection. <br> Super loud with 110db volume, this bike vibration sensing alarm lock is simple and easy to operate. <br> The alarm bile lock is applicable for short or long leave cycling, no longer bother to go locked up. <br> Specification: <br> Type: bike lock. <br> Size: 9.8*6cm. <br> Color: black. <br> Material: ABS. <br> Working voltage: 9V. <br> Volume: 110db. <br> Note: <br> There might be a bit color distortions due to different computers resolutions. <br> There might be slight errors due to different hand measurements. <br> Package included: <br> 1* Bike lock(battery not included). <br> _x005f_x000D_ <br>