Wellsay Electric USB Rechargeable Bicycle 120 db Loud Cycling Alert with 3 Sound Modes for Mountain/Road Scooters Handlebar 22-31.8mm

[Compact Yet Powerful] - This electric incorporates a voltage booster, producing sounds up to 120dB, sufficiently loud to alert others of your approach, ensuring mutual safety in busy areas. [Versatile ] - Shockproof and , offers 3 Sound Modes (Standard, Gentle, Alarm) for various scenarios. [USB Rechargeable Bicycle ] - Features a 280mAh lithium battery, includes USB charging cable, fully charges in 1.5 hours for 20-30 days of use, capable of 1000-1500 with a 180-day standby. [ Fit] - with mountain bikes, road bikes, and scooters with handlebar diameters of 22.0-31.8mm. The adjustable silicone strap offers two fastening options. [Quick Installation & Removal] - Easily attach the to the handlebar using the silicone buckle. Weighs approximately 40 grams, adding negligible weight and handlebar space.