This is the "UltraStudio Mini Recorder" from Blackmagic Design. It's a popular model that connects via Thunderbolt and captures HDMI or SDI input video to a computer. This equipment is highly popular in video production and live streaming environments. It has been tested and confirmed to be working without issues. You can use it immediately by simply connecting a Thunderbolt cable. [Specifications] Input: HDMI, SDI Output: Thunderbolt Supported Resolutions: Up to 1080p60 Supported OS: macOS / Windows (Thunderbolt 2 port required) Manufacturer: Blackmagic Design [Condition] There are minor scratches from use, but there are no issues with operation. Used approximately 10 times in the field. Stable operation confirmed. [Included Items] Main unit only (cables sold separately) Instant purchase OK. Will be carefully packaged and shipped.