Rechargeable Bicycle Alarm System With Built-In Lithium Polymer Battery USB Anti-Theft Wireless Taillight With Remote Control modname=ckeditor USB Rechargeable Bicycle Alarm System with Built-in Lithium Polymer Battery, Anti-Theft Wireless Taillight with Remote Control, Compatible with Scooters, MTB, Ebike, E-Scooters Bicycle Alarm,110dB Loud Bicycle Alarm with Remote Bike Finder,IP65 Waterproof Electric Mountain/City Bike Accessories,USB Rechargeable Intelligent Bicycle Tail Light Alarm About This Item USB RECHARGEABLE - The bicycle alarm is powered by a built-in rechargeable 4.2V 700mAh lithium battery which can be charged by your DC5V power adapter and the package included USB-C charging cable, so no need replace the battery and save money. 3 INSTALLATION METHODS SUITABLE- Come with mounting bracket, cable ties and double-sided tape for 3 installation methods. Bracket installation is more convenient to change the installation position. REMOTE CONTROL - Wireless control by remote, updated remote with strong wireless range up to 260 ft. Vehicle search function, easy to find your vehicles in parking lot. ADJUSTABLE VOLUME & ADJUSTBALE SENSITIVITY - Up to 110dB LOUD alarm, scare off potential thieves effectively .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 IP65 waterproof:suitable for outdoor use