... 8. Ceramic socket Fit for E39 bulb cap Dimmable Digital Ballast and Accessories1 reflector + 1 ballast + 2 bulbs(mh ... 86,000 , 140,000 Lumens RespectivelyCompatibility: Strikes both magnetic and digital ballasts ( ANSI Code: S51)Color Temperature: 2,000kBulb Base ... 61,000 , 110,000 Lumens RespectivelyCompatibility: Strikes both magnetic and digital ballast (ANSI Code: M47)Color Temperature: 6,500KBulb ...