Supersonic Contour Multi-directional Indoor Hd; Uhf TV Antenna

Indoor Digital HDTV Antenna Rotatable Dipole and Two Adjustable Antennas for the Best UHF and VHF Bands 9v DC Power Supply For Campers or Boats Frequency Range 470-860 MHz Channels Antenna Gain 10-30dB Impedance 75 ohm Item Dimensions: 9.00-in x 8.00-in x 4.00-in Item Weight: 1.25-lbs