Sun System® 1000 W DE Boss® Commercial Fixtures combine the patented state-of-the-art DE Boss Optic™ with Sun System® 1 reliability and Etelligent™ controllability. The DE Boss® Comm is designed and assembled in the U.S.A. with premium components and superior construction. Advanced 105 kHz microprocessor is designed specifically to drive DE lamps at sustained peak performance. Internal ballast programming will protect unit in instance of open circuit, short circuit, over/under voltage or high temperature exposure. The DE Boss® Comm has dimmable/selectable wattage, turbo and built-in green LED lights for easily identified self-diagnostic performance codes. Low-current, staggered ignition delay feature eliminates circuit inrush overload and protects lamp. The optic is engineered for high performance based on proven, patented designs. Features UL listed, double-ended sockets. Deep reflector design holds the lamp heat to keep the DE lamp at optimal operating temperature. 95% reflective textured German aluminum interior with 98% reflective corner inserts offer unsurpassed uniformity, output and diffusion. Galvanized steel optic housing with durable powder-coated finish. Includes Convertible Smart Volt® Dual Ferrite Power Cord 120-240 volt 6.5 ft with 120 and 240 volt plugs. 277 volt ballast includes a hard-wired 6 ft 277 volt power cord with a L7-15p 277 volt twist lock plug. 480 volt ballast includes a hard-wired 6 ft power cord with a L8-20p 480 volt twist lock plug. Eye bolts and 16 ft patch cord included. Compliant with both FCC Article 18 Part A (governs commercial use) and FCC Article 18 Part B (governs residential use) as tested by an independent US testing lab. Includes the new Philips 1000 watt HPS AGRO Plus DE EL Lamp, which delivers 2,120 µmol/s when operated at the 1,000 watt setting and an amazing 2,400 µmol/s when boosted to 1,150 watts