Features:

1) High and reliable quality of ballasts

2TRUE Plug And Play For Most Sizes.

3)Full Waterproof System, Can Submerge Bulbs And Ballast's Underwater.

4)Reverse Polarity Protection.

5)Interfere by computer system protection

6)Open Circuit Protection.

7) Input voltage range: DC - 18V

8)typical current: 3.2A

9) Working temperature: -40'C--+105'C

10) The ballast matches lamps as H1, H3, H4, H4 H/L,H7,H8,H9,H11,9004,9005,9006,9007, D2S, D2R,D2C etc.