... pulse width modulation (PWM) technology, to ensure that the power supply of high stability and high efficiency 2. CLASSII segregation 3 ... limitation, automatic recovery 5.Over-voltage protection: 115-135% rated output voltage 6.Compression: 1/P-0/P: 3KVAC 7.Working ... ,3,4,5,6,8,11; 15x1W LED drive power supply CE