UR Driver for (2) 2 FT LED Lightbars, Lamp Type: 3600 LM 80 CRI LED, Fixture Wattage: 36 WTT, Number Of Pieces: 4, Consist Of: (1) LED Driver, (1) Driver Screw, (1) Installation Instructions, (1) Relamping Label, Compatibility: 2 FT X 2 FT, Voltage Rating: 120 - 277 V At 50/60 HZ, Control: 0 - 10 V Dimming to 5 PCT, Power Factor: 0.9 Nominal, Temperature Rating: 0 - 35 DEG C, Efficacy: 100 LPW At Source Level, C/US UL Listed, UL1598C, DLC Qualified, For Airport, Corporate Campus, Healthcare, Municipal, Restaurant And Hospitality, School And University, Retail And Grocery