Save time and money with this long-lasting Universal Mini Electronic HID Ballast by Hatch. Its low profile and lightweight design makes this compact ballast a quick and easy installation, even if remotely mounted. It features superior line and lamp voltage regulation and consistent starting performance due to its advanced microprocessor control and patented Resonant Start Technology. This MC39-1-F-UNNU HID ballast is a great investment for your indoor and outdoor lighting projects.