HollandBasics Adjustable DE 1000w 347v Fixture our special light kit that operates at 347v to help reduce consumption of amperage enabling more efficient utilization of your power distribution. This kit has an adjustable built-in wing reflector that when expands increases light coverage below and reduces light intensity that may be too intense for certain plants when enclosed will maximize penetration to plants below with intense light omission for high demand photosynthesis. This fixture does not include a lamp however addition is optional. Features: Operating input 347v only Ideal for a 5'x5' footprint Adjustable reflector for greater light distribution Recommended use above 3' from the plant canopy Dimmable power rating from Super Lumen, 1000w, 750w and 600w 1 Year In-Store Warranty