Available Wattage 15W to 80Watts LumenWatt 120Watt Colour Temperature 2700 K - 6500 K Working Temperature -25 to + 50 deg Working Voltage 90 to 270 V Efficiency >90% Mounting Hanging ,Recessed & Surface Power Factor >0.95 Housing Material Aluminium extrusion, powder coated Form Factor Square,300 +- 3mm