1、Via drive-free technology, it is based on PCIE 0 high-speed interface, made of high quality materials. 2、With HDMI signal loop-out function, you can watch images without delay during recording, and the maximum output is 4k60hz. 3、For simultaneous acquisition of digital stereo audio signals in HDMI, it supports for use on for iOS / Linux systems. 4、It can improve low-resolution signal quality by boosting any input signal to 1920 x 1080 60fps resolution recording. 5、With good compatibility, it supports most multimedia video software or streaming live software. 1 x Capture Card1 x CD1 x Instruction Manual1 x HDMI Cable1 x Interface Board Item Type Capture card Host interface PCIE 2.0 1x interface, compatible with PCIE 3.0 Input and Output Port HDMI × 1 (input), HDMI x1 (output) Video Signal Format and Range HDMI input format: 480i/p; 576i/p; 720p; 1080i/p 50/60hz; 2k/4k 30/60hz Compliant with HDMI 1.4a standard Audio Signal Up to 16bit, 48khz, two-channel PCM Acquisition Resolution Output color space YUV and MJPG Acquisition Resolution Support 640 x 480 - 1920x1080, frame rate 30-60 fps; 2k/4k 30/60hz Operating System Supports For Windows series; for Linux series; for Mac OS Working Environment Power consumption <= 10W Operating temperature range 0-50 degrees Celsius Storage temperature range -20-70 degrees Celsius Relative humidity range 5%-90%