... pulse width modulation (PWM) technology, to ensure that the power supply of high stability and high efficiency 2. CLASSII segregation ... light failure 5. aluminum alloy cooling structure, make the power has more good cooling effect 6.100% full load ... automatic recovery 5.Over-voltage protection: 115-135% rated output voltage 6.Compression: 1/P-0/P: 3KVAC 7. ... ,4,5,6,8,11; 15x1W LED drive power supply CE