Remote Programmable Antenna Rotator With Remote, Fine Tune Your Outdoor Antenna Easily From Inside Your Home For A Perfect Picture, Programmable Memory, Set Up To 12 TV/FM Stations Directions For Automatic Antenna Positioning, Digital Display, Wind Stability High Gear Reduction Locks Motor In Place For A Stable Antenna, High Precision Gear Mechanism Provides Precise & Accurate Positioning For Each Channel.