Features high frequency 110 kHz micro processing technology optimized for running double-ended lamps. This Galaxy® DE Gen 2 Select-A-Watt® ballast can operate a 1000 wat lamp at 600, 750, 875, 1000 watts as well as Turbo Charge®. 600, 750 and 1000 watt lamps are also properly operated with this Galaxy® DE Gen 2 ballast. Set the desired wattage on the Select-A-Watt® dial and properly install the correct lamp. Very quiet operation and limited vibration. This ballast has been thermally optimized to operate with a passively cooled (non-fan) aluminum housing. Galaxy® DE Gen 2 ballast lamp cord receptacle is designed specifically for Sun System® brand reflectors. Includes a 6.5 foot Convertible Smart Volt™ dual Ferrite, 120-240V power cord and both 120 volt and 240 volts plugs. Industry leading compliance with both FCC Article 18 Part A (governs commercial use) and FCC Article 18 Part B (governs residential use) as tested by independent US testing lab and to a true as used configuration.