This kit contains a Radiant Double-Ended Reflector and an Xtrasun Double-Ended High Pressure Sodium (HPS) 1000W Lamp.Radiant Double-Ended ReflectorThe Radiant's reflective interior is designed to deliver the brightest possible light down to your plants, while its patented double-wall design helps to keep it running cool. Its heavy duty pre-galvanized steel construction is lined with premium European aluminum for years of dependable growing performance.• Efficient double-ended design offers longer lamp life and a more balanced light spread• World's finest European reflective specular aluminum: 99.85% pure, 95% reflectivity• Patent pending ridge vent system• Double-ended K12 x 30s sockets• Integrated 15' lamp cord• Integrated hangers• Designed exclusively for Hydrofarm by America's foremost lighting design engineers• Instructions and lighting recommendations included• CSA certifiedXtrasun Double-Ended High Pressure Sodium (HPS) Lamp, 1000WAn excellent choice for your double-ended High Pressure Sodium (HPS) system. Xtrasun lamps are engineered specifically for horticultural use, and offer exceptional performance. They consistently provide intense light in the correct spectral range for vigorous flowering growth and can even be used, if desired, throughout the full cycle (in both the vegetative and flowering phases). Your clear choice for HID lamps that provide long-lasting and reliable operation is Xtrasun.