The new Gavita 6/750e watt 400 V EL DE lamp has an efficiency of 2 �mol s-1 per watt in a wide control range of 600-825 watt. Now that is flexibility! At 825 watt it rivals air cooled 1000 watt HPS fixtures with an output of 1650 �mol s-1, while outshining the best 600 watt lamps at 600 watt. When necessary it can be dimmed down to 375 watt. Of course it is suitable for the Gavita Master Controller, eliminating the need for timers and contactors. This fixture is suitable for lighting a 15 sq ft area with 1000 �mol s-1 m-2. Unit includes a 240 V power cord. A 120 V cord can be purchased separately. 906023 operates at 277-347 V. This professional fixture requires installation by a certified electrician in an industrial environment.1 year warranty on the lamp.