Elektrische Fahrradhupe, Fahrradklingel 140 Db, Laute Fahrradhupe Für Erwachsene Und Kinder, 4 Klangmodi + Vibrationsalarm, Wiederaufladbar, Wasserdicht

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").