DST1800-1, 9910247-2RX, Twin Cessna EGT Indicator
3 1/8" Twin Cessna Aircraft Exhaust Gas Temperature / EGT Indicator. Model DST1800-1. P/N 9910247-2RX. It operates with both 14V and 28V electrical systems. No probes or sensors included with indicator. Only what you see on photo comes with it. Exceptionally clean indicator. It was removed from a salvage aircraft. It lists for over $1200 new!