Aluminum, black non-glare finish, 6.750 in. Deep, 5.750 in. W, 2.250 in. H, pitch command control, mode selector control marked sc, hdg, vor/loc, gs auto, gs man, altitude control switch with off and on positions, oper power requirements 5.0 volts ac/dc at 600 ma and 28.0 volts dc at 1.4 amps, four twist lock fasteners for mtg, two 31 pin electrical connectors on back
