Dimlux DXO 1,000 Watt Double-Ended Super Xtreme Output HPS EL Bulb, 2700KTHE NEW DEVELOPED DXO 1000 1250W 400V DE EL BULB IS THE BEST PERFORMING 400V DE EL BULB AVAILABLE The only bulb specifically designed for dimming AND boosting which results in the highest performance at boost without the PAR deprivation. It has been specifically designed to make the most of your HPS (400 Volt 1000 Watt) electronic system with boost where it will produce more plant useable light photons, of a better spectrum, than any other 1000 Watt