MR. CHRISTMAS REPLACMENT ADAPTER FOR ALL " MR. CHRISTMAS EVE EXPRESS "UNITS  THAT ARE USING 9 VOLT DC @800MA (0.8AMP). MODELS: MR. CHRISTMAS " EVE EXPRESS" MODELS  APROX DATE CODES ALL.NOTE: ALSO CAN BE USED AS A GOOD AFTERMARKET ADAPTER FOR OTHER UNITS , NEEDING 9 VOLT DC AT LEAST 800 MA WITH 2.1MM STRAIGHT FEMALE PLUG