Ballast Specification:
Ballast Dimension: 2.3 x 2.8 x 0.5"(60 x 70 x 13mm)
Ballast weight: 8oz (230g)
Operating voltage: 9-16VDC
Nominal voltage: 13.2VDC
Nominal current: 3.2A
Max current: 15A (100ms)
Power output: 32-38W
Operating temperature: -22F to 185F (-30C to +85C)

Single bulb: H1,H3,H4, H6,H7,H8,H9,H10,H11,H13
Color Temprature : 3000k, 4300k,4500K, 6000k, 8000k, 10000k, 12000k or above