Bachmann Big Hauler Radio Control Battery Operated G Scale ATSF Steam Locomotive Freight Train Set

Bachmann g-scale big hauler train set with radio control very nice condition the right switch turns on the headlight and is visible in one of the pictures. This item can be shipped to United States. The seller is rocksolidstuff and is located in this country US. I haven't had the time to test everything, but I know the RC controller needs a 9 volt battery but presently unsure what the locomotive needs for power.