Product Parts Materials and detailed specifications Solar Panel 2-3.5W,8 pcs of mono/poly crystaline solar panel (Laminated) Battery 2200-2400mA Ni-H Storage Batteries Light Source 6-12 pcs of Super Bright white or colored LED Brightness of LED 9000-15000mcd/pc(white),7000mcd/pc(colored) Operating Time More than 8 hours after full charge Main Material Stainless Steel Operating Temp. -20oC-70oC