【High Quality】: This 120dB Electric Bike Bell Is made of premium material, waterproof, and durable. 【Universal Bell】: The electric bell has a fashionable appearance, is stylish and practical, and fits most bicycles, Equipped with handles for 31.8MM and 22.2MM pipe diameters; 22.2MM pipe diameter requires a washer. 【Nice Loud Sound】: This Wireless remote control bike bell has a crisp sound. With 4 sounds, anti bell, remote control distance >50 meters, easy to find the parking location. 【Compact】: The mini bike bell is small and compact, which will not occupy much installation space. 【Easy to Install】: The Bell can be easily used on the bike handlebar, which is stable. Size Chart: 3.2cm/1.26inch Package Includes: 1 Electric Bike Bell,