The Linksys RE4000W N600 PRO Wi-Fi Range Extender is a white extender designed by Linksys to boost the Wi-Fi range in your home network. It features one LAN port for wired connections and supports dual-band Wi-Fi for enhanced connectivity. The model is specifically designed for improving Wi-Fi coverage and signal strength in larger homes or areas with signal dead zones. With the Linksys RE4000W N600 PRO, users can enjoy extended Wi-Fi coverage and better connectivity throughout their home.