... :Red ,yellow ,blue ,white ,green 2013 new 2W LED Strobe light Item No:G-JS003Voltage:220VPower;2WColor:RED ,YELLOW ,BLUE ,WHITE ... incandescence lamps base on millisecond, the LED base on nanosecond.6. Environmental protection: no harmful metal mercury7. Color: changing the ... electric current can change the color, the light emitting diode easily adjust the energy band structure and the ...