Output power 20W, working current can be reduced by 60% or more. Adopts tri-phospher fluorescent powder to illuminated object resulting in bright in color, close to the effect of natural sunlight. Working life about 12000 hours. Instant start with, no noise and flickering. Low working current, low caloric value. It can operate between 150V-280V. 12000hrs consumption: 0.20 X 12000 = 2400Wh.