ROBERTSON 3M10450 SS165508RC /B mBallast, NPF, 120Vac., 60Hz, (1) GPH810 V2 Offering the broadest ballast/LED Driver line available on Amazon. Selections to match any lighting application. Take advantage of Robertson's 60 years of electronic design and quality manufacturing experience. Commerical grade. Two year warranty. Go to RobertsonDirect.com for complete technical data.