1.CE,RoHs certified; 2.cell:monocrystal / polycrystal; 3.PV Panel :3W, Battery:DC 12V 4.Light source :3W,24pcs*Epistar LED 3W ... and stainless steel screwRechargeable Battery12V/4AH,deep cycle, lead-acid battery,maintenance freeWorking time 8-12 rainy daysCertificationCE,RoHsPackingfoamed inner packing ...