Over 90 percent high reflectivity aluminum. Runs on 120-240v power supply. Superior quality and optimized spectrum for growth. Please let me know you have any additional questions.The item "VIVOSUN Hydroponic 1000 Watt HPS Grow Light Air Cooled Reflector Kit" is in sale since Wednesday, March 3, 2021. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Hydroponics\Grow Lighting & Accessories\Grow Light Kits". The seller is "deals-good-deals" and is located in Rio Linda, California. This item can be shipped to United States.