About the Items:

• Small volume of shape,big volume of sound,
• comparable to the electric bikes horn effect.
• Durable and Convenience: 1300 mAh lithium battery ,can be android phone USB rechargeable,can be sound 2000 times,about 20-30 days. Alarm standby 150h, charge and discharge time more than 300 times.
• IPX4 Waterproof,Anti-Drop,
• 2 Type controller, touch alarm, lock on key and the release key is remote control, distant long than 30 meter.
• Installation and Removal Easily:rubber band,fits for mountain bike,road bike,bicyle which handlebar is 22-31.8mm diamete

• Name: Bicycle electric horn          
• Battery capacity: 1300 mAh        
• Life time: more than 20 days
• Features: large-capacity battery, long battery life, waterproof design, anti-theft alarm, 
• comparable to the electric bikes horn effect
• 2 Type controller, touch alarm, lock on key and the release key is remote control, distant long than 30 meter.
• Fixed clip: L type, default send L type
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• Packing list: 
• 1 x Bike bell 
• 1 x Charging cable 
• 2 x Remote control (bell with alarm including，only bell model not including controller)
• 1 x Fixed gasket 
• 1 x Fixed bell

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  • When full charging still sound buzzer what should i do: 
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  • Remote control how to code:
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  Buyer Real Picture Show