Open frame LED driver ,80W 1.Constant current 2.High efficiency ... PF:0.95 3.CE certificate 4.2 years warranty Open frame LED driver,80W A high-performance LED driver products ... -264VAC2.DC output voltage:12V.24V.36V.48V.52V3.Protect Function:Short circuit, Surges, Lightning, Overload, Over temperature, Output over-voltage ... Fact:>0.98.5.Soft switch technology:Efficiency>0.92 Open frame LED driver ,80W