of Lamps: 4

High efficiency 120 to 277 V Input Voltage;

QHE4X54T5H0UNVPS Electronic Fluorescent Ballast 4 Lamp(S); FP54/50W/SS, T5HO Lamp Type; 50 W Lamp Wattage; 120 to 277 V Input Voltage; 1.77/0.76 Ampere Input Current; 213/209 W Input Power; Straight Lamp Style; 1.02 Ballast Factor; Quicktronic[R] Brand; Rated Lumen 5000 LM; Efficiency Factor 0.49