This is a new High Tech Pet large power dog door. The is the door only it does not have a power supply, collar or mounting hardware.You can order all of the extra parts direct from the company. The item "NEW High Tech Power Pet Large Electronic Automatic Pet Door No Cord or Collar" is in sale since Wednesday, November 11, 2020. This item is in the category "Pet Supplies\Dog Supplies\Doors & Flaps". The seller is "watschr" and is located in Salina, Kansas. This item can be shipped to United States.