... 4) lamp holder assemblies of T8/T10 (10-24)in series with 12 in parallelr,T5/T8/T10 fluorescent lamp,Unisolated constant ... current power,with PFCItem: HC-LED-044Rinpout voltage: AC85-265vFrequency: 47-63HZoutput ... current power ,withPFC lamp holder assemblies of (10-24) in series with 12 in parallelr,T5/T8/T10 fluorescent lamp,Unisolated constant ...