1.Solar panel: poly-crystalline silicon or mono-crystalline silicon 2.Power storage solution: Ni-MH or Super Capacitor 3.Light source: super bright LED 4.LED quantity: 4pcs 5.LED color: red, green, blue, white, yellow 6.Luminous mode: constant type 7.Working time: may work more than 7days during overcast and rainy day 8.Working temperature: -25degree to +55degree. 9.IP grade: IP68 10.Material: Glass 11.Size: 100X100X60mm 12.Lifetime: 3-5years(Ni-MH battery) or 15years (super capacitor