Multipurpose,Act as a great bike theft deterrent. Vibrationaly triggered alarm suitable for bicycle, motorcycle, electric bike, electric scooter and so on. You can also use for doors and windows alarm vibration sensors.Super Sensitive to Motion, 7 level adjustable sensitivity from gently Contact to push or beat, you can easily set it according to your need. Wireless remote control operation, remote control range up to 20M/66FT.Extremely Loud 150dB, Onvian bike security alarm can make a loud sound to draw people's attention. 150dB Loud can effectively scare thieves away, can also be used as SOS emergency alarm.Easy Installation and Waterproof,This motorcycle bicycle burglar alarm Installation by pasting with double-sided sticker or tieing it with strap. No wiring, no screw. Water resistant rated to IP55 - Can use for outdoor.exquisite and compact design, easy to hide and install, 6 kinds bell sound can operate by remote control, easy to find the vehicles position.Specifications:Wireless range: 10-20 metersWorking environment temperature: -20~60 degreeAlarm dimensions: 65mm x 45mmRemote dimensions:58mm x 28mm x 11mmColour: blackMaterial: ABSPackage Contents:1 x Alarm1 x remote control1 x USB cable1 x PlugOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.