Seamless whole-home Wi-Fi coverage (Up to 4,000 sq ft, Ideal for 3-5 bedroom houses): eliminate weak signal areas once for all and simply add more Decos to the network anytime to increase coverage Provides fast and stable connections with high speeds and works with all internet service provider (ISP) and modem Provides lag-free connections for up to 100 devices and devices can automatically switch between Decos for the fastest possible speeds Compatible with Amazon Echo/Alexa: Control your home network using voice commands and more fun to use different apps and devices Parental Controls: Limit online time and block inappropriate websites according to unique profiles created for each family member Setup is easier than ever with the Deco app there to walk you through every step The Version and Package may vary. Version 3 package content 1 Deco E4R Unit + 2 Deco E4S Units. Version 2 contenct 3 Deco E4R Units 2 * 100Mbps Ethernet ports: Take full advantage of your broadband speed. For full Gigabit speeds, choose Deco X55 or new-Gen Wi-Fi 7 Deco