UFlex Power A Electronic Control Package - Dual Engine/Single Station - Mechanical Throttle/Electronic Shift [ME21]Power A ME21 Electronic Control Package Dual Engine Single Station Mechanical Throttle Electronic Shift Power A Mark II Electronics Control Systems Private Protocol can bus for data transmission Connection of multiple stations up to 4 controls Modular System Direct communication w electronic engines (SAE J 1939 or NMEA 2000) Plug'N Play connectivity Automatic engines synchronization Dock Assist Fully programmable shift delays ME21 Package Includes: