The MD302 Standby Altitude Module or SAM(c) features a unique two-screen display that provides attitude, altitude, airspeed, slip, vertical trend, and heading information to the pilot during normal or standby operation in the event of primary instrument failure. This self-contained, solid-state instrument features a selectable orientation, horizontal or vertical, which allows flexible cockpit design and installation. The MD302 is also equipped with a rechargeable Nanophosphate(c) lithium-ion battery that provides up to one hour of emergency operation when fully charged.This MD302 Standby Altitude Module (EDMO# MD302-1) has a black bezel and lithium-ion Battery
