I have an indoor wireless Invisible Fence Shield that I got with our outdoor solution that I have never used. With the addition of an appropriate collar you can use this to keep your dog or cat off furniture or away from a specific area of your house. These units usually retail for over $200. Included is the power adapter to power it.
Here is the sales description I found on another site:
Does your dog think that your couch is his bed? Are you tired of having dog hair all over your furniture? Does your cat climb the Christmas tree or your dog thinks the ornaments are his toys? Is your dog in the garbage again? Then you need an Wireless Indoor Shields® Plus Solution by Invisible Fence® Brand! It will safely protect your furniture and areas of your home from your pet. This indoor unit is battery operated for easy portability and mounting. Package includes: A Shields® wireless transmitter, a transformer and instructions. Computer Collar® not included. Compatible with Classic, MaxDog™, Titanium, MicroLite® Computer Collars®, all other series of Computer Collars® are compatible with the IFA-12 Wireless Solution. Customize with an Invisible Fence® Brand Computer Collar® for an indoor dog or cat.
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