This all in one professional lighting set up that includes a Galaxy? DE Electronic 120-240 Volt Ballast, Sun System? 120? Extra Wide Throw Split Commercial DE Remote Reflector and a European made Grow Green 1000 watt Double-Ended High Pressure Sodium lamp all packaged in one box. The Galaxy? DE Select-A-Watt? ballast features a high frequency of 105 kHz for running double-ended lamps. It has a thermally optimized non-fan cooled aluminum housing. The Sun System? 120? Extra Wide throw commercial DE reflector has a uniform, broad distribution for excellent coverage for crossover, supplemental or primary lighting applications. 95% reflective German aluminum interior offers unsurpassed uniformity, output and diffusion. Open reflector design allows light to get closer to the plant canopy. The Grow Green Double-Ended High Pressure Sodium lamp is a professional European made 400 V high frequency horticultural 1000 watt HPS lamp. It is nitrogen filled with a quartz glass outer jacket for perfect optical quality. This lamp has extremely high photosynthetic photon flux (ppf) at 2,100 ?mol. Everything you need to get growing professionally in one convenient box!