· Input Voltage: 220-240V Input Power: 52W Light Source: OSRAM 3030 1W
· Frequency Range: 50/60Hz Ra: Ra>80 CCT: 3000/4000/6000K
· Power Factor: 0.97 Lm/W: Indirect: 102 Direct: 105
· Power Efficiency: 88.0% Luminous Flux: Indirect: 2100 Direct: 2255
· Insulation Class: CLASS I Output Voltage: DC 27-54V
· UGR: < 18.0 (G.W. / N.W.): 18.5/24.5KG
· Output Current: DC 1050mA±5% Beam Angle: Indirect: 140° Direct: 70°
· Package Dimensions: 2000*660*280 Lifespan: 30000H
Application places: office, conference room, study, library.