SUNLITE

 Uses one 9v battery (not included) Fits most handlebars Push Button Electric Yellow

 120db electronic rechargeable bicycle horn with remote USB 280mAh rechargeable battery charges in 1.2 hours and lasts approximately 30 days or 2500 uses Charging indicator light shows red when charging, and green when fully charged IP65 water and dust proof Compatible with 22.2 - 31.8mm handlebars Whistle, horn, and alarm sounds 3 Sound Horn w/ Remote Black