Vibration Sensitive DetectionOnce triggered, the super loud sound up to 110dB will be a huge deterrent, effectively scare away thieves and also help you chase away strangers sitting on your bike without permission.Volume/sensitivity can be adjusted as your needed. USB ChargingSay goodbye to traditional alarm that need to be pried open to replace the battery, upgraded Cruxer Bike Alarm recharges with a USB-C cable (included), it can be used for up to 1-3 months after fully charged. Bike located functionCan't find a bike in the parking lot? Do not worry. Just press the remote, the bell will ring and easily locted bikes.Strong wireless range up to 229FT.3 ringtones to choose from to meet every need. Bracket installation3 ways to install: bracket, zipper, double-sided tape. The bracket is stable and easy to adjust the installation position. Cable ties and double-sided tape installation are suitable for uneven installation objects. Multifunctional AlarmThis high sensitivity vibration waterproof triggered alarm is suitable for motorcycles, electric bicycles, ebike,motorbikes, scooters, trailers,luggage,door and windows. Support more remote or alarm pairing.