Electric Bike Bell, 100dB Loud Adjustable Volume Electronic Bicycle Horn 4 Sound Modes, USB Rechargeable and Waterproof Horn, Powerful Adult MTB Bicycle Bell.

Electric bicycle hornSmall size design. Built-in booster circuit, powerful sound volume adjustable up to 80-90-100-120dB. Ring fully charged 2500 times. About 20-30 working days. 300mAh rechargeable lithium battery. The USB cable charges in 1.2 hours. Pay attention when charging, red light means the bell is charging, green light means the bell is fully charged. /> 1 silicone strap 1 USB cable 1 user manual Detail: Color: Black Material: ABS+PC Weight: 40g DB: 100-120 dB Charging input: 5V-250 mAh Waterproof level: IP 65 Battery: 280 mAh rechargeable lithium battery Sounds: 4 ringtone modes Classic metal bell sound, vibrating bell sound, steam whistle sound, horn sound. IP 65 waterproof level, triple protection: waterproof, drop-proof and dust-proof. Installation method： Find the right position on the bicycle handlebar ,fix the doorbell on the handle with the silicone strap Choose the right distance then fix the controller on the handle. We want to provide you with the best service possible. If you need help, don't hesitate to ask us your questions.