NAPASA 100-120DB Waterproof Electric Bike Horn - Rechargeable Battery, 4 Sound Modes for Bicycle Safety - Perfect for Commuting, Mountain Biking & Urban Cycling

Electric Bike Horndesign with small size. built in boost circuit with loud sound reached 100-120 dbwith rechargeable 280 mAh lithium battery. USB cable charge 1.2 hours full charge. full charge ring 2500 times.about 20-30 days works. please pay attention when charging the bike bell,the indicate light red is on charging ,full charged is green light. with IP 65 waterproof level,three protection:waterproof,drop, dust resist. Detail: Name: bicycle electric horn Color: Black,Blue Material: ABS+PC Weight: 40 g DB: 100-120 DB Charge input: 5V-250 mAh Waterproof level: IP 65 Battery: 280 mAh lithium rechargeable battery Sounds:4 modes whistle sounds,horn sounds,alarm sounds,Tram sounds Charging Indication Before the first use,please full charge the electric bike bell Open the USB waterproof plug then insert the charging line into the USB port When the charge is complete,unplug the charging line and make sure the USB plug is covered Installation Method Find the proper position on the bicycle handerbar ,fix the bike bell on the handle with the silicone strap Choose the proper distance then fix the controller on the handle Product package: 1 pcs bicycle electric horn 1 pcs silicone strap1 pcs USB cable 1 pcs use manual

Design with small size and modern fashion look.built in boost circuit with loud sound reached 120 db

With rechargeable 280 mAh lithium battery, used more convenience .USB cable charge 1.2 hours full charge.

Contains USB cable, 1.2 hours full charge.one charge have 2000 times ring bell can work about 20-30 days

Have 3 sound modes, whistle sounds,hour sounds,alarm sounds dust resist,IP 65 waterproof level

Easy to installput the silicone strap fixed on the handle.suit for 0.86"-1.25"(22.2-31.8 mm ) diameter bicycle handlebar