This kit contains a Radiant 8"" Air Cooled Reflector Unit (includes lens) and an Agrosun Red Sodium High-Pressure Sodium (HPS) Lamp, 1000WRadiant 8"" Air Cooled Reflector Unit (includes lens)The Radiant's generous reflective interior is designed to deliver the brightest possible light down to your plants, while its patented double-wall design makes it the coolest running fixture on the market. Its heavy duty pre-galvanized steel construction is lined with high purity European aluminum for years of dependable growing performance.• Multifaceted computer-designed aluminum interior for maximum efficiency• Made from premium European materials: 99.85% pure with 95% reflectivity• AC version includes 6"" or 8"" flanges that enable higher air flow for cooler temperatures and more reflectors in-lineAgrosun Red Sodium High-Pressure Sodium (HPS) Lamp, 1000WAgrosun Red Sodiums are the best choice for enhanced flowering, increased crop volume, and supplemental greenhouse lighting. Not only will they produce more, larger, and better flowers, but they will do it quicker than common sodium bulbs. Red Sodiums are recommended for situations where high output supplemental light is preferred.1000 watt - 146,000 initial lumens