Electric Bicycle Bell, Anti-Theft Alarm, Loud Electronic Bicycle Horn, 4 Sound Modes, USB Rechargeable Battery, Waterproof Warning Device (Black)

General Description: The electric bicycle bell is an essential accessory for cyclists, offering both a bell function and an anti-theft alarm. With a waterproof and dustproof design, it is perfectly suited to the needs of outdoor cyclists. Technical Specifications Waterproofing: IPX5 Battery: 200 mAh Lithium-ion Charging Time: 1.2 hours via USB Battery Life: 20 to 30 days of continuous use Maximum Volume: 125 dB Size: 38 x 60 mm Color: Black Compatibility and Accessories Compatible with handlebars with a diameter of 22.2 to 31.8 mm Suitable for cube bikes, mountain bikes, children's bikes, and city bikes Installation Easy installation without tools Attaches to the handlebar with silicone buttons Operation To activate the anti-theft function, press and hold the rear switch. If the bike is moved, the alarm will sound for 15 seconds. If the alarm is triggered again, it will sound continuously until deactivated.