Blackmagic Video Assist 7" 12G-SDI/HDMI HDR Recording Monitor
It can be both battery and wall-powered. It has 2x HDMI ports (1xIn/Out), 2x SDC/BNC ports (1xIn/Out), 2x Mini-XLR audio inputs, 2x SD card ports, 1x USB-C port, and Headphone jack. Complete in box, has all original parts/ components.