The solar mosquito killing lamp is not only used for lighting but also killing mosquitos. It automatically turns on at night and charge during daytime. It can be worked over 8 hours at night when it''''s fully charged. Solar panel: monocrystal or polycrystal; Lighting source:ultra bright LED (white 8,000-10,000mcd/18,000-20,000mcd,purple:200-300mcd)