Bike/Kickboard Bell USB Charging Horn MTB Mountain Bike Waterproof Bell Description 1. High Decibel The 120-decibel electric bike horn has a clear and loud sound effect, loud enough to warn cars and pedestrians. 2. Anti-theft alarm: Press and hold the button for 2.5 seconds to change the speaker mode. With four ringing modes, 20 minutes of USB charging, and an alarm mode, you can be reminded if your bike is moved or stolen. 3. Waterproof and Durable: This bike horn is made of high-quality ABS plastic, strong and durable. Not easily damaged, reliable quality, and long service life. 4. Suitable for all handlebars, easy to install: The bike horn with rubber rings is easy to install and suitable for handlebars of various diameters. It is easy to use, light and compact, and the available size (length x width) is approximately 34mm * 60mm. I have kept it at home after purchase. I have taken it out of the box once for photography. The box is torn, but the contents are unused. Please refrain from purchasing if you are concerned about minor details. #BikeHorn #BikeBell #WaterproofBell #AntiTheft