Range Extender mode boosts wireless signal to previously unreachable or hard-to-wire areas flawlessly* Miniature size and wall-mounted design make it easy to deploy and move flexibly. Easily expand wireless coverage at a push of Range Extender button*. Ethernet port allows the Extender to function as a wireless adapter to connect wired devices Tether App allows easy access and management using any mobile device. LED Control function includes a Night Mode for peaceful sleep. TP-LINK TL-WA850RE 300Mbps Wi-Fi Range Extender