The power will be automatically cut off when fully , and the connector is equipped with a rubber protective cover to prevent dust and rain from entering. Wide illumination range: long illumination distance, It is also safe to ride at night. ABS waterproof material + easy installation: can be used in heavy rain and foggy environment. Suitable for mountain bikes, bicycles, electric vehicles and other models. Type:Solar Bicycle Light with Horn Colour:Black & Red Material:ABS Package Contents: 1 * Solar Bicycle Lights Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.