Clear Bicycle Horn: Electric bicycle horn sound 120dB is loud enough to alert passers-by and improve traffic safety.
Easy to Install: The bicycle bell fits most bicycle handlebars with a diameter of 0.86- 1.25". We come with two silicone straps of different sizes, and it only takes 3 seconds to install.
Powerful Waterproof: The super loud bicycle horn can also be used in rainy days. It is rain-proof, waterproof and rust-proof. The ringtone is still clear and loud in rainy days, so you are not afraid of riding in rainy days.
300mAh Button Battery: The bike horn comes with 2 button batteries, the battery voltage is 3V. After experiments, it can be used for 200 days and can ring 5000 times. So you don't need to change the battery frequently.
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