Brand new in box free shipping! Features 1. Zero latency. 2. 4K@ 60Hz HDMI signal can be transmitted 70 meters through a CAT6/6A/7 network cable. 3. Supports up to 10 receivers in cascade, auto adapt to display resolution. 4. The receiver can extract the digital audio from the transmitter through the S/PDIF port. 5. Supports audio formats (Dolby TrueHD 7.1CH/Dolby Digital 5.1CH). 6. Supports HDR(YUV4:4:4), EDID passback. 7. Transmitter support one HDMI loop-out. 8. Support bi-directional IR passback function (20 ~ 60KHz), cascade when 10 receiver available. 9. Anti-lightning, anti-surge, anti-static protection.