MULTI-PURPOSE ALARM - Vibration triggered alarm, incredibly useful antitheft products suitable for Bikes, Electric Bike, Motorcycle, Moped, Scooter, Car, Trailer, Luggage, Door and Window...More features: Charging level indicator / Low battery indicator / Long battery life / Can add up to 8 remotes and lots of alarms<br>ADJUSTABLE VOLUME &amp; ADJUSTBALE SENSITIVITY - 3 levels adjustable volume, don’t worry about the alarm is extremely loud or not loud. 7 levels adjustable sensitivity from gently touch to push or beat, easy to set it as your need<br>3 INSTALLATION METHODS SUITABLE FOR MORE PURPOSE - Come with mounting bracket, cable ties and double-sided tape for 3 installation methods. Bracket installation is more convenient to change the installation position. Zip ties and double-sided tape installation suitable for irregular mounting objects. Easy to install and use. A must have anti theft alarm for bicycles or electric bikes or scooters motorcycles cars owner<br>REMOTE CONTROL - Wireless control by remote, updated remote with strong wireless range up to 100m. Vehicle search function, easy to find your vehicles in parking lot, 3 kinds of bells for your choice. IP65 waterproof, suitable for outdoor use<br>USB C RECHARGEABLE NO NEED REPLACE BATTERIES - The bicycle alarm is powered by a built-in rechargeable 4.2V 700mAh lithium battery and uses 4th version power-saving technology, about 3h full charge can work about 1~3 months (depend on the work frequency). Note: Using the package included USB C charging cable and your DC5V power adapter to charge it