VIVOSUN 600 Watt Dimmable Electronic Digital Ballast with Enhanced Internal Cooled Fan, 25% Less Heat Generated and 15% Longer Service Life(600 Watt)

Description Quality Assurance: UL listed, 3-year warranty, professional after-sales service Spec.: Runs on 120 – 240V, 50/60Hz, 8ft 120V power cord Protection System: Overheating protection, End-of-bulb-life protection, Short-circuit protection, Ignition-failure protection Watt Option: 250w / 400w / 600w / Super lumens (110%) Set ballast to the same watt option as the matched bulb before started; 600W ballast must match 600W bulb