Wi-Fi Dead-zone Killer—Deco uses a system of units to achieve a whole-home Wi-Fi coverage, Eliminating weak signal areas once and for all;Seamless Experience—units work together to form a unified network with a single network name, so phones automatically connect to the fastest Deco as your moving, creating a real seamless Wi-Fi experience 3,800 Sq. ft. Coverage—A Deco M4 (2 packs) delivers Wi-Fi to an area of up to 3,800 square feet (Lab. data). More Deco’s can be added to the network anytime to increase coverage;Up to 1167 Mbps high-speed—Deco M4 provides fast and stable connections with speeds of up to 1167 Mbps and works with the major internet service provider (ISP) and modem Up to 100 devices—Deco can handle traffic from even the busiest of networks, providing lag-free connections for up to 100 devic;Easy Setup—With the Deco app, to walk you through every step;Multifunctional—Deco M4 can serve as a router, access point or range extender;Parental Controls—It limits online time and blocks inappropriate websites according to unique profiles created for each family member App Control——Multi usages including seeing the connected devices, prioritizing certain devices, setting up a guest network and etc;Alexa compatible—Pair with Alexa to control Deco M4 with simple voice commands;Security Protocol: Wpa-Psk/Wpa2-Psk Operating System: Windows;Control Method: Applicationvoice