Zwireless 50 Miles Indoor HDTV Antenna with 16.5 Ft Long High Performance Coaxial Cable Black Clear and High Performance Ultra thin design and lightweight. Supports both UHF/VHF signals. It delivers full 1080i, 1080p, 721 HD to any digital-ready TV 16.5 Ft Long Coaxial Cable, Compact Size super compact size while delivers exceptional reception Easy Setup Cable and Multi-surface suction-cup Stand, Easy to fit and to adjust depending on your specific need. No external power required. Outstanding reception Receive digital and analog signals off air. Getting as many local channels as possible within 26 miles range with very affordable price IMPROVING YOUR EXPERIENCE:Many variables contribute to antenna's performance. If your antenna not working as expected, try: 1.Check antenna correctly connected to your HDTV or 3rd party HD receiver. 2.Set mode to Antenna or Air in TV's setup menu, re-scan for channel. 3.Signal strength vary on distance from the tower, terrain, weather. Reposition it different location, higher on wall or closer to window, facing broadcast tower. Always re-scan after moving it.