Unbranded Vélo électrique Horn Usb Rechargeable Bike Bell 120db Invisible Bike Alarm Loud Horn Waterproof 3 Mode Alarm Ring For Mountain / Road Bike Scooter Handleb

[Small and Loud] – This electric bike horn has a built-in booster circuit, loud enough to 100 decibels, loud enough to warn people that youre coming, stay safe when crowded.
[Multifunctional Bicycle Bell] – Waterproof, drop-proof, dust-proof, 3 modes of sound (whistle, horn, siren) for different situations.
[USB Rechargeable Bicycle Bell] – Equipped with USB charging port, 1.5 hours full charge can be used for 20-30 days, 1000-1500 rings, 180 days standby.
[BEST FOR] – The rechargeable bike horn can be attached to mountain bikes, road bikes, BMX and scooters with a handlebar diameter of 22.0-31.8mm. Silicone rubber strap adjustable in 2 levels.
[Easy to install and remove] – To install this electric bike horn, just put the bike bell on the handlebar and secure it with a silicone buckle. , the weight of about 40 grams will not add too much load to your bike, nor take up a lot of space on thehandlebars.