2 Channel SDI HDMI USB3.0 Video Recorder Capture SDI HDMI to USB 3.0 HD Video Recorder Box Dongle Game Live Streaming Broadcast. Features: Connect multiple dongles to one machine, enable the up/down conversion of video resolution, frame rate and audio sampling rate, support brightness, contrast, hue, saturation, and other screen adjustment functions. The HD video capture meets UVC standard, support YUV 4:2:2 (YUY2) or RGB 4:4:4 (RGB24) video output. The HD video capture meets UAC standard and 48KHz PCM stereo audio output. Automatically detect and de-interlace signals. Reliable and Stable: 64MB DDR2 Onboard memory, it can effectively conduct video frame buffer and USB transfer flow control to avoid interruption or error images when the USB transmission bandwidth is occupied. Pass through 7x24h continuous high load tests in high and low temperatures (0-50 degrees). Easy to Use: No need to install drivers in Windows, Linux, and OS X, real plug and play. Compatible with various USB 3.0 chipsets (Intel, Renesas, ASMedia, Fresco Logic), compatible with expended USB 3.0 via PCIe Gen1.1 x1. Compatible with USB 2.0. Compatible operating systems: Windows (7, 8, 8.1), Linux (kernel version 2.6.38 and above), OS X (10.8 and above). Support APIs, such as Windows: DirectShow, DirectSound, Linux: V4L2, ALSA, OS X: QuickTime. Support software including Windows Media Encoder (Windows), Adobe Flash Media Live Encoder (Windows, OS X), Real Producer Plus (Windows), VLC (Windows, OS X, Linux), QuickTime Broadcaster (OS X), QuickTime Player (OS X), Wirecast (Windows, OS X) and etc.