ADAPTERS: Includes two TPL-406E adapters. Two adapters are needed to start a network. Use up to 8 adapters to network devices in different rooms without running new cabling. MANUFACTURER PROTECTION: We stand by the quality of our products.The TPL-406E2K Powerline 500 AV Nano Adapter Kit is backed and supported with 3 years of TRENDnet Manufacturer Protection. NDAA COMPLIANT: With our NDAA compliant Powerline Ethernet Adapters, you can plan and install networking solutions that Government customers demand today (U.S. and Canada Only) RELIABLE TECH SUPPORT: Our team of advisors, support and tech experts are English speaking, and available for all your needs during normal business hours. We take pride in being there for our customers. EXPAND YOUR NETWORK: Connect one adapter to your router and plug another adapter into an outlet on your electrical system for instant high-speed network access. ETHERNET PORT: The Powerline 500 AV adapters have an Ethernet Port that extends high per