Using three-dimensional displacement sensor, more accurate identification. Support remote control of ringing and then quickly find a Bicycle motorcycle. adjustable sensitivity, ensuring your bicycle . Suitable for installation in a environments. alarm sound are arbitrarily , 113dB loud sound can effectively play the role of anti-theft. Waterproof and strong ABS are permanently installed on your bikecyle or electric car without worrying about having to remove it in bad weather. Wireless remote control operation, easy to use. This alarn lock adopts waterproof and sos help function allowing you to use it without worries. Built in three-dimensional displacement sensor plays an importand role in security. With excellent function it have 7 level adjustable sensitivity to choose. A good guard for your dear bicycle or motorbike. Wireless range: 10-20 meters Working environment temperature: -20~60 degree Working environment: Less than 80% Storage temperature: -30~70 degree Colour:Black