KPTEC HDTV Antenna, Ultra-Thin Amplified Digital Indoor TV Antenna The flat HDTV antenna up to 50 mile range to access from broadcast tower; receives free HD channels. TV antenna with two connectors, a coaxial and a USB. Connected the USB to your TV USB port or on an AC adapter (not included) and the coaxial cable to antenna jack on your TV. The ultra thin and lightweight design that you can hang it on the wall or windows,or lay it on any flat surface. Reversible with black or white sides to match your home's decoration; antenna can be painted over to achieve a more personal touch. Please note that the actual antenna reception strongly depends on its distances from the TV broadcast towers, the local terrain, your home surroundings and other factors. Before you buy, please to see what channels are available in your area.