1.Solar panel: poly-crystalline silicon or mono-crystalline silicon 2.Power storage solution: Ni-MH battery or Super Capacitor 3.Light source: super bright LED 4.LED quantity: 1PCS 5.LED color: red, green, blue, white or yellow 6.Luminous mode: flashing type or constant Type 7.Working time: 40 hours above for flashing type; more than 20 hours for constant type after the battery is charged fully. 8.Working temperature: -25 degree to +75 degree. 9.Material: aluminum alloy + polycarbonate 10.Dimension: 82X48X40mm weight: 0.06kg