Used with the power cord only. Elgato HD60 X 1080p60 HDR10 External Capture Card is a versatile unit that allows for digital video capture in NTSC-M format with a maximum data rate of 60 Mbps. It features HDMI Standard Output and is compatible with various brands and product lines. With 3 ports and a compact design, this digital capture card is perfect for recording video in high definition for use in computers, tablets, and networking systems. The Elgato brand ensures quality and reliability for your video capture needs.