Dennard DTX 400 Control Unit (inc plug in PSU) with Dennard DRX400 and DRX300 DC Receivers.
The DTX 400 controller shows little signs of use and comes with a still-boxed power supply.
The receivers are in plastic ABS boxes and in excellent, very probably unused, condition although one lid is missing. The ABS boxes are reasonably standard and a replacement lid or box should not be difficult to find.
Datasheet DTX 400 : [link removed by eBay]
Datasheet Receivers : [link removed by eBay]
Check out my other listings for a 2000 pan/tilt head unit