Multipurpose: Works great against bike theft. Vibration triggered alarm for bike, motorcycle, electric bike, electric scooter, etc. You can also use this bike alarm system for doors and windows 3 Kinds of Bells: The motorcycle alarm system has 3 kinds of bells operated by remote control can be used and determine the position of the vehicle easily. The volume can be adjusted (high, medium and low). The default and maximum volume is 113dB 7-Level Adjustable Sensitivity: Super high sensitivity, the bike alarm system with 7-level adjustable sensitivity from gentle touch to pressing or blowing. You can easily set it to your liking. Wireless remote control, remote control range up to 20m Super Loud 113dB and SOS mode: The motorcycle alarm can produce a loud so that attracts people's attention. 113dB loud can effectively deter thieves, and also can be used as an SOS emergency alarm to remind others about the accident Easy installation and waterproof: Installation by sticking with double-sided stickers or tying with ribbons. IP55 waterproof - suitable for outdoor use. 9.3 x 4 x 2 cm exquisite and compact design, easy to hide and install, Product Waterproof Bike Alarm Motorcycle Alarm with Remote Control This vibration triggered anti-theft alarm with a loud 113dB alarm so can effectively deter thieves, provide extra security and give you peace of mind when parking your vehicles at home or outdoors. An alarm requires 3 AAA alkaline batteries for 6-10 months in standby mode. A remote control needs a CR2032 button battery for more than 1 year. Wireless range: 10-20 meters. Working environment temperature: -20 ~ 60 degrees. Working environment: