1、4K 30Hz HD Input: This video capturing card supports up to 4K 30Hz HD input, maximum output resolution of 1920×1080 60Hz. Suitable for devices with HD Multimedia Interface output. 2、Screen Sharing: This cam link card can catch both HD Multimedia Interface video and audio simultaneously and transmit audio and video signals to computers and smart phones for preview and storage. 3、Ultra Low Delay: This HD to USB adapter adopts aluminium alloy for better heat dissipation, which allows you to enjoy ultra low latency while playing or recording video or live streaming, 4、Plug and Play: This USB capturing card is plug and play without the needs of drivers or external power. You can connect the DSLR, camcorder, or action Cam link to your PC for recording easily. 5、Widely Compatible: This game capturing card is suitable for Win, for Linux, for OS X Laptop. Widely used in HD capturing, teaching recording, image, conference, TV, recording portal website, recording video games and so on.