Use the DECIMATOR USB 5V POWER SUPPLY : MD-LX to power your MD-LX SDI-HDMI converter as a spare or replacement for the unit that comes with your MD-LX. The pack comes with a 5V power adapter with a US plug and a USB-A to micro-USB cable. The adapter provides 4.4 to 5.25 VDC and provides under 2.5W of power.