200*100*50mm 0.735KGS Solar cell: poly-crystalline silicon / single-crystalline silicon (4v,160mA) Storage battery: Ni-MH (2*1200mAH) / Super Capacitor (4*120F) Light source: super luminosity LED; LED quantity: 6 pcs Luminosity colors: red, green, blue, white, yellow (for any choice) Luminous mode: Constant Type Work time: more than 30 hours (standard luminosity intensity) Work temperature: -25 to +75 degree C. Material of light: Stainless Steel and Polycarbonate Resist compression: 20 tons Waterproof grade IP>67 Life: >5 years (Ni-MH) or >15 year ( Super Capacitor) View distance: over 800m Guarantee period:14 months