100% Brand New Electric Bicycle HornWith 6 different and loud sounds， increase the safetySound button is very comfortable and sensitiveWaterproof design， so also can be used on rainy dayEasily install and fits all kinds of bicycle whose handbar diameter is 20~25mmPower is 9V battery included for long time useSpecification:Material: PlasticMain Color: BlackFits Tube Diameter: 20-25mmWire Length: 220mmSize: 90 x 55 x 55mmWeight: 128gPackage Includes:1 x Electronic 6 Sounds Bike Alarm