... the luminous efficiency, decrease optical decay rate. 5.Adopt professional LED constant current power adapter:constant current drive, high efficiency of ... .Light source:5W pure white LED, 5W warm white LED,5W red LED,5W orange LED,5W green LED,5W blue LED 2. luminous flux:325lm ... .Light source:5W pure white LED, 5W warm white LED,5W red LED,5W orange LED,5W green LED,5W blue LED 2. luminous flux:325lm ...