"ITEM CONSISTS OF FRAME HOLDING PRINTED WIRING BOARD WITH CONNECTOR,ELECTRICAL,RECEPTACLE; TWO CAPACITORS,FIXED,ELECTROLYTIC; ONE CAPACITOR,FIXED,CERAMIC DIELETRIC; TWO MICROCIRCUITS,DIGITAL; TWO KEYING PINS ONE D-SHAPED WITH FLAT TIPPED LOW TO THE LEFT AND ANOTHER D-SHAPED WITH FLAT TIPPED UP AND TO THE LEFT"