VIVOSUN Hydroponic 600 Watt HPS MH Grow Light Air Cooled Reflector Kit - Easy to set up, High Stability & Compatibility (Enhanced Version) Buyers must peel off the inner blue protective film before using; 6" Air Cooled Reflector: Over 90% high reflectivity aluminum ensures soonest flourish of your plants UL Listed 600W Dimmable Ballast: Runs on 120~240V power supply, comes with 8ft 120V power cord, 250w/400w/600w/super lumens optional HPS & MH Grow Light Bulbs: High PAR value (Photosynthetically Active Radiation), Superior quality & optimized spectrum to promote growth 7-Day Digital Timer: Dual outlets & Bright LCD display, up to 8 on/off separate program settings ( UL listed ) 1/8" Rope Hanger (1 Pair): 8-ft long & 150lbs/pair weight capacity, solid braided polypropylene rope & reinforced metal internal gears to ensure top-safety