Included are the AV-20-S (with internal backup battery), two 1/4″ quick connect fittings, mounting screws, a d-subminiature connector, backshell, and pins.
OAT probe is NOT included and must be purchased separately. The AV-20-S is compatible with the industry-standard Davtron Analog probe, available through common component suppliers. (If the OAT probe is not connected, OAT, DALT and TAS will not be displayed.)