Features1Wireless Remote Control: The bike bell comes with a compact and sensitive wireless remote control, supporting long distance operating. With just one click, you can easily control the bell sound or activate the anti theft alarm mode. The one click bike finding function is also practical for finding your bike after parking. 2Anti Theft Protection: Equipped with a precise smart sensing chip, the bike electric bell offers 3 levels of sensitivity adjustment for different environments to effectively reduce false alarms. Once your bike is abnormally touched, the alarm will immediately sound, enhancing security for your bike. 3IP66 Water Resistant Design: Designed with IP66 water resistant technology, the electric horn is capable of working stably in rainy or harsh weather conditions. Whether for road racing, mountain adventures, or children's daily riding, it is sturdy and long lasting to meet diverse cycling needs. 4Type C Fast Charging: Built in high capacity battery with Type C fast charging support, the bike alarm bell offers more convenient charging. Fully charged in one go, it provides long lasting use to reduce the hassle of frequent charging. 5Loud Alarm Sound: This electric warning bell alarm is capable of emitting a loud sound of up to 120dB. Whether on city streets or mountain rides, it can ensure that your warning sound is clear and audible, effectively improve riding safety.SpecificationItem Type: Bike Bell HornMaterial: ABS, PCHorn Battery Capacity: 300mAh (Included)Remote Control Battery Capacity: 60mAh (Included)Charging Method: Type C InterfacePackage List1 x Horn1 x Remote Control2 x Rubber Straps1 x Plastic Fixer2 x Hex Wrench1 x Charging Cable1 x Manual