LUMIPRO PB Series LED 5CCT Power Tunable Backlit Panel Light With Emergency Driver 2'x4' 30-35-40-45-50W 5CCT 30K-35K-40K-50K-60K 125lm/w PF>0.90 0-10V Dimming 120-277 VAC UL Cert Beam Angle 120 Size 603x1213x37mm 5 Yr Wrnty | PoliLED