This is the "UltraStudio Mini Recorder" from Blackmagic Design. It's a popular model that captures HDMI or SDI input video to a computer via a Thunderbolt connection. This equipment is highly regarded in video production and live streaming environments. It has been 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】 The box has some scratches, but the main unit is in good condition. Please check the photos as this is subjective. There are no issues with the operation. Used about 2-3 times after purchase. 【Included Items】 None, main unit only (cable sold separately) Will be carefully packaged and shipped.