Up for sale is a Bendix/ King ART-161A Color Radar 4001018-6108 Avidyne compatible.  Technical info is as follows:

P/N:  4001018-6108

S/N: 3601

MODS: 1,3,4

Volts: 13.75  27.5 VDC

The unit was in working condition when removed. Comes with the mounting bracket. If you have any questions, please feel free to ask! Happy buying!