For cats see the Electric Cat Fence by PetSafe.
You could pay $1,000 or more to hire a company to install an underground electric dog fence system on your property. Or, you could save many hundreds of dollars installing one yourself that is every bit as effective. It's easier than you may think, and that's why DIY electric dog fence systems have become so popular.
America's Pet Store carries the top brands of DIY inground dog fence systems including PetSafe, Innotek, Perimeter Technologies, High Tech Pet, Dogtra and SportDOG.
All of these manufacturers offer excellent support. They provide training tips and instruction, as well as help with any questions you may have for installation.