NETGEAR XAVB101 Powerline AV Ethernet Adapter Kit Kit includes two adapters that use existing electrical wiring in your home to create a network connection Plug and play installation requires no software Delivers up to 200 Mbps throughput for high-bandwidth applications; Homeplug AV compliant 128-bit encryption for extra security Each adapter measures 2.83 x 3.86 x 1.57 inches (WxHxD); backed by a 1-year warranty