Christmasgarden solarlight pr061 solar panel : mono or poly silicon solar panel Irradiance source :super bright LED Battery: chargeable Ni-Cd/Ni-Mh battery Operating time: up to 8-10 hours after full charge Operating Temp:-20 - 70 Switch: rocker on/offer on base Automatic charge and discharge by sunbeam 8 hours working with fullbattery Low voltage design, harmless to human or animal If you are interested in item above, please contact us for a inquiry