Attention:

The difference of Bell with alarm and Bell with alarm Plus's function

Bell with alarm = It only show red light when lock or unlock

Bell with alarm Plus=it can show red light and have a sound when lock or unlock

There are three different models. please choose the model carefully which you need before buying !

It is useless even though you look for extra remote controller for the only bell model.

because it has no alarm function.Low power alert

The buzzer sounds once every minute

How to charge

Standard 5V charging,current is not limited,you can use phone charger.The indicator light is red when charging,red is off after charging


Name: Bicycle electric horn

Battery capacity: 3.7V 780mA


Life time: more than 100 days for bike bell with alarm. 180 days for only bell pattern.

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


Packing list:

1 x Bike bell

1 x Charging cable

2 x Remote control (bell with alarm including,only bell model doesn't not include remote controller)1 x Fixed gasket

1 x Fixed belt