Wireless Remote Control Alarm Bicycle Alarm Safety Lock Motorbike Vehicle Burglar Alarm Siren Description:   This alarn lock adopts waterproof and sos help function allowing you e 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.   Features: 1. Using three-dimensional displacement sensor, more accurate identification. Support remote control of ringing and then quickly find a car. 2. When you ride fall accidentally or the bike tilt angle greater than 45 degrees, it will automatically issue a help sound, give you and your bike multiple protection. 3. 7 level adjustable sensitivity, ensuring your bicycle safer. Suitable for installation in a various environments. 4. 6 kinds of alarm sound are arbitrarily selected, 113dB loud sound can effectively play the role of anti-theft. 5. Waterproof and strong plastics are permanently installed on your bikecyle or electric car without worrying about having to remove it in bad weather. Specifications: Alarm sound: 6 kinds Volume: 113dB Battery: 3 x AAA battery Waterproof: IP55 Remote control distance: 10-50 meters Package List: 1 x Bicycle Alarm Security Burglar Lock 1 x Remote Control Note:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.