Deco E4 is the simplest way to guarantee a strong Wi-Fi signal in every corner of your home up to 4,000 Square feet(3-pack).Wireless connections and optional Ethernet backhaul work together to link Deco units, providing even faster network speeds and truly seamless coverage.Want more coverage? Simply add another Deco. Seamless Roaming with One Wi-Fi Name. 2-year limited warranty. White.