600*600mm Led panel light 1.Power:30w 2.Lumen:1800lm 3.SMD 3014/3528 ... . Input Voltage:AC85V~265 V2.Frequency : 50~60Hz3.Light Source :SMD 3014/3528LED4.Size:300*600*14mm5.Wattage:30W6.Lumen: ... ,museum,workshop,department store,hospital,exhibition hall,etc.LED panel light for offices: