Deco E4 is the simplest way to guarantee a strong Wi-Fi signal in every corner of your home up to 4000 Square feet(3-pack). This router has a feature called Mesh. It means Deco units work together to form one unified network. Your phone or tablet automatically connects to the fastest Deco as you move through your home, creating a truly seamless Wi-Fi experience. Network speeds three times faster than previous generation routers, thanks to 802.11ac wireless technology, make Deco capable of providing a lag-free connection to up to 100 devices .It has Multiple 3-in-1 Router, Access Point and Range Extender Modes. Installing Deco E4 is fast and easy. Just unpack the system, download the Deco app and follow its onscreen directions. Pair with Alexa to control Deco E4 with simple voice commands. Enjoy the convenient life.