1. the high quality and competitive price 2. management certification: ISO9001:2000 3. save power, beautiful environment Main technical indexes and specifications:1.Single crystal silicon solar cell with a maximum power of 440mw2.Super bright light-emitting diode:4-8 pieces.3.Light colors:red,yellow,blue,green and white.4.Irradiances are divided into constant luminance,flashing changing colors, ...