This S1 solar sensor light is Heineer 2015's new patented design product. The out look is like a clip, can clip everywhere to be used. the solar panel, led light, motion sensor design all-in -one. In the day time, solar panel charge the battery. in the night time, led light start to work. For more information. please visit our website : www.chinaheineer.com or email us at: [email protected]