CYCLINGBOX Bike Bell 125dB Loud Anti-Theft Bicycle Electric Horn Portable USB Charging Alarm Waterproof with 4 Sound Modes for MTB Mountain Road Bike
The loud electric horn makes riding safer and helps remind pedestrians and vehicles. It can be used for handlebars with a diameter of 22. 2-31. 8mm. A large-capacity rechargeable battery, low power consumption and long endurance are built in.