Dog and Cat Door for Screen Doors (for Medium-Sized Dogs)

Thank you for looking.
This is an entrance/exit for pets like dogs and cats that can be attached to your home's screen doors.
This item is brand new and unopened.
The instructions are on the back of the package.

Part Number: PD3742
Manufacturer: Takara Sangyo Co., Ltd.
Distributor: Dio Kasei Co., Ltd.