1000W HPS MH Digital Dimmable Grow Light System Kits Reflector Set. iPower 1000W High Pressure Sodium (HPS) Grow Light Bulb Initial lumen: 140,000 lumens Color Temperature: 2,100K Bulb Lifespan: 24,000 hours Allow 3-5 minutes for full bright Compatible with electronic and magnetic ballasts Maintaining over 90% of initial lumen output after running for 5,000 hours Please wait at least 5 minutes after power shut off before striking again Designed specifically for Professional Hydroponic Plant Cultivation Red & orange spectrum and high PAR (Photosynthetic Active Radiation) to stimulate flower growth and enhance fruiting 12-Month Warranty iPower 1000W Metal Halide (MH) Grow Light Lamp Bulb Initial Lumen: 140,000 lumens Color Temperature: 6,000K Bulb Lifespan: 24,000 hours Allow 3-5 minutes for full bright Compatible with electronic and magnetic ballasts Maintaining over 90% of initial lumen output after running for 5,000 hours Blue & violet spectrum and high PAR (Photosynthetic Active Radiation) to stimulate vegetative growth Ideal for rapid growth phase of plants Greatly enhances all-around plant growth to stimulate veg grow. iPower 1000W Digital Dimmable Electronic Ballast Support Voltage Input 120V/240V Dimmable Options: 50%, 75%, 100% Free heavy-duty power cord included Conveniently wired with standard Hydroponic S-Plug 30% more lumens than magnetic ballasts for improved yields Fast lamp ignition by lighting up the bulbs within 1-2 mins max CE certified and UL listed