AD001HD4-4K 4K HD-TVI/ AHD/ HDCVI/ CVBS to HDMI/ VGA/ CVBS Converter with Loop Out & Audio Embedder Datasheet Manual Firmware FeatureConverts HD-TVI/ AHD/ HDCVI/ CVBS to HDMI/ VGA, CVBS.Resolution up to 4K/ 8MP for HD-TVI/ AHD/ HDCVI.Resolution up to 4K HDMI, 1080p VGA, and NTSC/ PAL.Built-in loop-out port for an extra video input or output.Built-in a 3.5mm audio input (audio out via the connected HDMI device).Built-in console port for RS232 command and firmware upgrade.HDMI, VGA, CVBS and loop-out working simultaneously.Supports dual video input, and PiP (dual views on one monitor). Supports OSD (On Screen Display) menu, showing current status and set up outputs.Supports UTC pass through.