ALL-IN PACKAGE – Includes 1 Transmitter and 4 Receivers. Extend and distribute 1 HDMI source to 4 HDMI displays over CAT6/7 up to 394ft simultaneously. *Important Note*: HDbitT4Pv2 (this kit, version 2.0) is not backward compatible with the previous version and its receivers (RX). If you live in an area with thunderstorms, plug this product's power adapter into a surge protector power strip to protect your device from voltage spikes. Get More Information: https://www.gofanco.com/products/hdmi-extenders/hdmi-extenders-extender-splitters/4-port-hdmi-hdbitt-extender-1080p-120m-hdbitt4pv2.html