Solar cell: poly-crystalline silicon / single-crystalline silicon (3v,75mA) Storage battery: Ni-MH (1200mAH) / Super Capacitor (120F) Light source: super luminosity LED; LED quantity: 4 or 6 pcs Luminosity colors: red, green, blue, white, yellow (for any choice) Luminous mode: varying type /Constant Type Work time: 108 hours above for Varying Type; and more than 24 hours for constant type