... ,YELLOW,BLUE ,WHITE ,GREEN110V IS AVAILABLEThe advantages of LED illumination1. Security: LED is supplied by low voltage power, so it is ... . Response time: f incandescence lamps base on millisecond, the LED base on nanosecond.6. Environmental protection: no harmful metal mercury7 ... multicolor luminescence. For example, with small current at the LED is in red, but with the current increases,it will ...