Commercial Procurement: If you need a large or long-term order, please contact us through the store homepage/contact seller. We will offer discounts on a certain amount of products. Trouble-free Warranty: 1-Year-Warranty for all customers and 3-Year-Warranty for business partners and lifetime 1 to 1 Customer Services from AV Access. Important Notes: For 4K@60Hz 4:4:4 UHD video, it is required to use extra HDMI 2.0 cables. Innovative HDMI Audio Extraction: Built-in 5-pin phoenix audio de-embedding port. Works perfectly with eShare series presentation systems; extend HDMI/USB signals and extract HDMI audio to an audio system simultaneously in a large meeting room. Main Functions: No video loss, no time delay, with one way PoC(from receiver to transmitter); USB 2.0 pass through,1 x USB-Host connector built in transmitter and 4 x USB-Devices connector built in receiver, up to 480Mbps. Plug & Play, Universal Compatibility: Built-in one-way PoC function; only one power adapter is required at the receiver side to power both units. Works with different operating systems, like Windows 10/8/7/XP, Mac OS and Linux. No driver is required; just plug and play. Effortless Remote PC Control: Easily connect up to 4x USB 2.0 peripheral, like keyboard, mouse, speakerphone, webcam, hard disk, etc. Control a remote PC/server/NVR/DVR up to 50m/164ft with zero latency. Ideal for control center, university campus, government, etc. 4K UHD & Zero Latency: HDMI 2.0 & HDCP 2.2 compliant. Transmits 4K@60Hz 4:4:4 visually lossless HDMI signal up to 50m/164ft over a single Cat 5e/6/6a/7 cable, with zero loss or delay.