This Mole Richardson Electronic DC Ballast is for use with the 200 Watt HMI DigiMole fixture. It is usually sold as part of a kit. It works with your 24-32 Watt DC power source.
Ballast - Electronic, DC for 200 Watt DigiMole HMI Fixture (24-32VDC)
4' Attached Power Cable
One Year Manufacturer's Warranty