The Earth Worth Hydro Hippo 600 is versitile. The included 600W High Pressure Sodium (HPS) is your starter bulb. It will accelerate seed/plant development, increase chlorophyll production, and result in optimal flowering. Earth Worth lighting systems are perfect for both amateurs and professionals. This kit includes all the components you need to set-up your indoor garden so you can grow flowers, herbs, and vegetables year round. Earth Worth hydroponic products are created by growers FOR growers. And we stand behind every product we sell 100%. The Earth Worth reflector system incorporates a mirrored reflector for optimal vegetative growth, venting, and bulb cooling. 2-in-1 Reflector works with HPS or MH Bulbs. Will support bulbs up to 1000 watts Interior Reflective Sheet Dimensions: 18-1/2in.(L) x 18-1/2in.(W) The EW-600HPS bulbs are designed to grow healthy, high producing plants across each phase of their growth cycle. Research shows that Earth Worth spectral energy ratios have far more influence on plant growth than lumens. You can trust Earth Worth HPS bulbs to deliver the proper spectrum at just the right luminosity to grow year around. Specifications: Power: 600 watts. Rated Life: 24,000 hours. 90,000 Lumens. Color Temperature: 2,100K. Fits all standard 400 watts HPS grow light systems. Our high performance ballasts are electronically optimized for growers who use both High Pressure Sodium (HPS) bulbs and Metal Halide (MH) Bulbs 600 Watt Grow Light Systems. The electronic footprint provides constant wattage which will extend your bulb life and virtually eliminate bulb flicker. Specifications: Rated Power: 600 watts (High efficiency). Bulb Compatibility: 600 watts High Pressure Sodium Lamps OR Metal Halide Lamps. Components are shielded to protect against R.F.I. (Radio Frequency Interference. Working Voltage - 120/240. FCC / CE Certified. Specified Frequency: 50/60Hz. Size: 12in. x 6-1/4in. x 4in. Power Cord: 8-1/3ft. 3 Prong Power Cord (US standard plug).