... ,Bulit in active PFC ,PF>0.95 2,led driver constant current 2.5A 3,IP67,SCP,OVP 4,Warranty:3years ... voltage,recovery after temperature automatic recovery.Others EnvironmentWorking temperature&humidity-20 oC-50 oC;20%-90%RH,Without condensation .Storage temperature&humidity-40 oC-85 ...