SMALL BUT LOUD - This electric bike horn is build in voltage boosting circuit, ringing sound up to 120dB,loud enough to warn people you are coming,keep both safe in crowded.
MULTIFUNCTIONAL BIKE BELL - Waterproof,drop resistant and dustproof,3 Modes Sound (Whistle,Horn sound,Alarm sound) for different situations.
USB RECHARGEABLE BICYCLE BELL - Built-in 280mAh lithium battery, equipped with USB charging port,1.5 hours fully charged can use for 20-30days,ringing 1000-1500 times and standby for 180 days.
FITS MOST - Ytuomzi Rechargeable Bike Horn can attach to mountain bikes, road bikes,BMX, and Scooters which handlebars diameter is 22.0-31.8mm.The silicone rubber band can be adjustable in 2 level.
EASY TO INSTALL & REMOVE - To install this electric bike horn,simply put the bike bell to the handlebar and use the silicon buckele to fasten it.,about 40 grams weight do not add much load to your bike and do not take up a lot of space on the handlebar.