•High-Intensity Bicycle Horn: This electric bicycle horn is rainproof, shockproof, and designed for high-intensity use, making it ideal for traveling •Waterproof and Dustproof: Built to withstand tough outdoor conditions, offering reliable performance even in rain and dust •Easy Installation: No tools are needed for installation, ensuring quick and hassle-free setup •Stretchable Silicone Strap: Equipped with adjustable silicone strap that fit handlebars of various diameters, offering versatile compatibility Specifications: •Size: about 4.8*4.6*8cm/1.89*1.81*3.15inch •Material: ABS + PC •Encounters: 120db •Waterproof level: IPX4 •Battery type: CR2032 (280mAh) •Battery voltage: 3V x 2 •Ringtone: Single sound Package included: •1 x Bicycle Horn •2 x Silicone Strap •1 x Anti-slip Rubber Pad •2 x CR2032 Battery •1 x English and Chinese User Manual