Mode of Operation: Maintained Lamp: 2X8W/T5 G5 Fluorescent tube Rated Supply Voltage: 220V-240V/50-60HZ Battery: 6V 4.5Ah Lead Acid Battery Full Change: Approx.24hours Duration: Approx.7hours IP Class: IP20 Insulation: I Dimension: 44x43.5x25cm/6pcs G.W.:16kgs N.W.:14.5kgs