Electric Bike Anti-lost Security System Kit, Waterproof, Wireless Remote Control, Vibration Sensor, Alarm, 150dB Description: Feature - Versatile, acts as an excellent bicycle lock. Vibration-triggered alarm suitable for bicycle, motorcycle, electric bicycle, electric scooter and so on. You can also use alarm vibration sensors for doors and windows. - Super sensitive to motion, 7-level adjustable sensitivity from gentle touch to push or flap, you can easily set it according to your needs. Wireless remote control operation, remote control range up to 20M/66ft. - Extremely loud 150dB, the bicycle security alarm can emit a loud sound to attract people's attention. The 150db sound can effectively scare off thieves, can also be used as an SOS emergency alarm. -Easy installation and waterproof, this motorcycle bike anti-theft alarm installation by sticking with double-sided sticker or attaching with strap. No wiring, no screws. IP55 rated water resistant - can be used outdoors. - Mini size,