- 2 IN 1 DESIGN: This versatile bike accessory combines a bike alarm and a bell, providing effective audible alerts for your rides. With three adjustable volume levels and an integrated anti-theft alarm, this rechargeable bell is ideal for e-bike adventures. Use it to signal fellow riders while navigating busy trails or quiet campgrounds. - ADJUSTABLE VOLUME CONTROL: The bike alarm features three volume settings, with a maximum output of 115dB. Tailor the alarm volume to suit different environments, ensuring safety at home or on the go. This alarm can also be installed on doors, windows, scooters, and motorcycles for comprehensive security. - ANTI-THEFT ALARM SYSTEM: Installation is straightforward, making it a more convenient option than traditional locks. With excellent sensitivity, the alarm activates with a light touch, offering quick response to potential theft. Park your bike confidently; the alarm will sound loudly if tampered with, deterring thieves. - SENSITIVITY ADJUSTMENT & CAR FINDER: The alarm allows for three sensitivity settings, enabling you to prevent false alarms from accidental bumps. Refer to the user manual for operational details. Use the remote's ringtone feature to locate your bike or parked car in crowded areas, saving you time and hassle. - BATTERY DETAILS & REPLACEMENT: The alarm is powered by a 400mAh (3.7V) battery, rechargeable via a standard 2A USB cable in approximately three hours. The wireless remote operates on a 12V/27A battery with a range of 30-50 meters. If the remote malfunctions, replace the battery and re-sync it with the alarm panel. - IPX5 WATERPROOF & EASY INSTALLATION: The bike alarm is designed to withstand heavy rain, ensuring reliability in adverse weather conditions. Its compact size (58x35x15 mm) allows for flexible installation anywhere on your bike using a cable tie. The separate mounting bracket simplifies battery replacement and charging without the need to remove the unit.