Very good cosmetically condition...  did not test on antenna but the dial dot turns to where the knob is turned to.  This Delhi Antenna Rotator Rotor Control Unit Box is the perfect addition to your home audio and video setup. With multi-directional features, this unit is compatible with a number of products, including base station radios, portable/handheld radios, and TVs. The AR-300XL model has three outputs and is suitable for use in the United States.

Not only is this unit functional, but it is also compatible with a number of brands, including Channel Master. The maximum range is unknown, but the unit quantity is one. This antenna is a great investment for those looking to improve their home audio and video experience.