The Powerline 500 AV Adapter Kit with Built-In Outlet, model TPL-407E2K, uses existing electrical lines to create a high-speed network. Two adapters are needed to start a network. Connect one adapter to your router and plug another adapter into an outlet on your electrical system for instant high-speed network access. The compact form factor saves space and offers an additional electrical outlet. Plug In Install Simply plug in TRENDnet adapters! The encrypted Powerline signal auto-connects over an existing electrical system. Built-In Outlet With so many devices needing power, you don’t lose an outlet when plugged in. Plug the adapter into an outlet, then plug a power strip into the adapter. Network Stability Ultra-stable Powerline networking is preferred by internet service providers. PACKAGE CONTENTS 2 x TPL-407E Quick Installation Guide 2 x Network cable (1.5 m / 5 ft.)