Type: Electronic, Lamp Type: F40T12ES, Number of Lamps: 2, Input Voltage: 120/277V, Frequency: 60HZ, Start Method: Programmed Rapid Start, Nominal Line Current: 0.75/0.32A, Input Power: 89/88W, Power Factor: >0.98, THD: <10 Percent, Crest Factor: <1.7, Ballast F