LED drive power 1, 100% Full Load Burn-in Test 2, TUV CE UL CB Rohs 3, +2years warranty 4, ... 27 years experience LED drive powerFeatures:1.using pulse width modulation (PWM) technology, ... effectively guarantee the long working life LED lamps and lanterns and reduce the LED light failure 5. aluminum alloy cooling ... -2,3,4,5,6,8,11; 15x1W LED drive power supply CE