... pannel: polycrystalline silicon,60WBattery:specilized for solar,80AH,12VController:time-control,over-current,over ... -voltage,temperature protection,humidity protection,12V/10ABattery box:water-proof5Functionadjustable, 6-12 hours ... no radiation 3.17% high conversion rate solar panel makes the solar energy be used more effectively ... after the first set. Solar Street Light with high quality