Sun System? 315 Watt LEC? Boss Commercial Fixture combines cutting-edge Light Emitting Ceramic? brand technology with Sun System? 1 Etelligent controllability options (controller sold separately #902245). State-of-the-art 95% reflective German aluminum interior offers unparalleled output, reflectivity and diffusion. Includes Philips highly efficient agriculturally engineered CDM-T 315 watt lamp. The lamp creates amazing full color light spectrum out of next-generation ceramic lamps. Available in 3100ø K or 4200ø K color temperature, high 92 CRI, 33,000 initial lumens (105Lm/W). Operates on 50/60 Hz low frequency, square wave, which makes this electronic ballast highly efficient and designed specifically to drive LEC? lamps at sustained peak performance. This fixture is dimmable which allows for operation of a LEC? lamp at 50%, 60%, 70%, 80%, 90% & 100%. Ignition delay feature eliminates circuit inrush overload and protects lamp for increased lumen maintenance. Features compact commercial warehouse design. The 120/240 volt model includes Convertible Smart Volt? Dual Ferrite power cord with detachable 120 volt and 240 volt plugs. 277 volt features a hard-wired 6 ft 277 volt power cord with a L7-15p twist lock plug. 347 volt features a hard-wired 6 ft 347 volt power cord with a L24-20p, 20 amp twist lock plug. Includes eye bolts and 16 ft patch cord.