1.solar cell:  crystalline silicon 2V/500mA    
2.battery:    Ni-MH HT AA 1.2V/4000mAh (high temperature battery)
3.light source: instant super illuminosity 12LED
4.colour: yellow,white,green,red,blue  (select one)
5.illumination ways: lasting and changeable light
6.work time: charge up one day under the standard illumination, the light has more than 25h work time; if under the full capacity of battery, the light can last more than 50h
7.temperature:    -25°C~+80°C
8.light body:    boron silicon glass
9.hardware material: stainles steels fixture and waterproof and airproof silica gel;
10.dimension:    202mm×202mm square,thickness:55mm