1,Solar cell of single crystal silicon 2,Lighting color various 3,Continuously working about 70 hours with full power Main technical indexes and specifications:1,Single crystal silicon solar cell with a maximum power of 440mw2,Supr bright light-emitting diode:4-8pieces3,Light color:red,yellow,blue,green and white4,Irradiances are divided into constant luminance,flashing changing colors,slowly on ...