ROCKBROS Electra Bike Bell Electric Cycling Bells Horn Bicycle Horns Water-Resistant Bike Bells

90dB : It's enough to alert someone that a bike is coming, can be used in daily commuting. 3 different ringtones available, long press for 3-5 seconds to switch.(Tips: Please replace lossy battery to obtain better effect if after a long time of transportation and storage.). EASY TO INSTALL: Easy to secure and remove, no tools needed, silicone cover is high-elastic so that to adjust different diameters, fits for most bike handlebars.. SILICONE COVER: This bike bell cover is made of with soft silicone material, which will not damage the bike paint, the Water-tight design greatly extends the service life.. SMALL SIZE: Small and portable, weight only 51g, suitable for road bikes, mountain bikes, kids bikes, city bikes or other types. It can be stored directly in a pocket or bag when not in use.. Any using question or problem please let us know, we will help you to figure out and solve it.