Equipped with a 1190 umol s-1 600W 400V electronic high frequency lamp it produces more light than any other 600W fixture. The HR96 reflector is replaceable. You can control the new Pro 600e SE with the dial on the fixture (dim to 300W in steps of 100W, boost to 660W) or with the Master Controller for full linear control. Suitable for lighting a 11 sq ft area with average 1000 umol s-1 m-2.Unit includes a 240 V power cord. A 120 V cord can be purchased separately. 1 year warranty on the lamp.