The BMD-PS-12V70W is a replacement Power Supply for DaVinci Control Surfaces and ATEM Switchers (12V / 70W) from Blackmagic Design is a replacement or backup power supply for the following products: ATEM 1 M/E Production Switcher, ATEM 2 M/E Production Switcher, ATEM 1 M/E Broadcast Panel, and DaVinci Resolve Control Surface.