1.Output:AC 12V(9-16V. Wattage: 55W. Input:DC12V(9-16V. With AMP Connectors.
2. Main Board of ballast bigger than others' ballast, much better heat dissipation as Larger Surface Area. 3.Material:Aluminum housing ballast,better heat dissipation than other plastic housing. 4.Fashion design:it is special than the market ballast which you can buy easily. 5.AC ballast:No Flicker, much better, much safer, much brighter, more durable, much stable color, much longer life span than DC ballast. 6.Each ballasts are matched each bulbs,to make sure have best performance.(For a HID kits)