Klaxon électrique pour vélo, sonnette de vélo 140 dB, puissant, pour adultes et enfants, 4 modes sonores + alarme vibrante, rechargeable et étanche.

Design with a compact size and a modern, fashionable look. Built-in boost circuit with a loud sound of 140 dB.

With a rechargeable 280 mAh lithium battery for extra convenience. Charging via USB cable takes 1.2 hours.

Includes USB cable; fully charges in 1.2 hours. A single charge is sufficient to ring the bell 2,000 times and can operate for approximately 20-30 days.

Features 4 sound modes: whistle sounds, hour sounds, alarm sounds; dustproof; IP 65 waterproof.

Easy to install: attach the silicone strap to the handle. Suitable for bicycle handlebars with a diameter of 22.2-31.8 mm (0.86"-1.25").