1.5 years warranty 2.High efficiency 91% 3.Active PFC (over 0.95) 4.EMC ... locations5.Protection: Over voltage, Over load, Over temperature, Short circuit6.High efficiency (87%~88%)7.Compliant to worldwide safety regulations for ... , 15pcs/CTN .Suitable for LED electronic display screen, LED street lights, LED tunnel lights, LED bridge lights, LED panel lights, LED ceiling lights, moving sign application ...