DuaFire 50 Miles Reception Amplified HDTV Antenna,Ultra Thin Indoor HDTV Antenna Built-in Amplifier for UHF/VHF with 16.4ft Coaxial CableWhite Enjoy free broadcast High Definition TV signals like ABC, CBS, NBC, PBS, FOX and your local news, weather, sitcoms, kids and sports programming.You Can Get All Local Crystal Clear Channels Absolutely Free without the hefty monthly cable bill. just plug it in and connect to your television and let the antenna do all the work. Built-in signal amplifier powered by TV's USB port, boost reception range up to 50 miles away from a broadcast tower. It delivers full 1080p HD to any digital-ready TV Powerful, this antenna picks up signals within a 50-mile range, and its Built-in Amplifier is powered by USB or any standard AC wall outlet (included), the amplifier only draws power when your TV is on. 16.4ft coaxial cable for greater flexibility. Makes it easier for you to place it in your house to get the best reception, especially for customers whose televisions are quite far away from windows NOTE: Before purchasing, please check HOW FAR from the broadcast and WHAT CHANNELS you are available in your area: http://dtv.gov/maps.please kindly note that antenna signal is not the stronger is better, it's depends on the distance between your home and broadcast towers. For example if the distance between your home and broadcast towers is 20 mile, choose a 25-Mile range antenna will much better than a 50-Mile range antenna so make sure about this before you purchasing.