Repel By Bad Smells
Both dogs and cats have very sensitive senses of smell. There are a number of commercial repellents designed to upset the dog or cat enough to cause it to go home.
For more information about all of these products click here.
Repel With A Sound
There is on the market a device designed to produce a high pitched sound, heard by dogs and cats, but not by people. It goes off when the motion detector in the device sense the movement of the dog or the cat.
For information about this product Click Here
Repel With Motion And Touch
Often cats or dogs will be turned off if they get spritzed by water in an unexpected fashion. Here is one solution:
Contech Electronics has developed a product they call ScareCrow. It is a motion detecting watering device that turns on when motion is detected in a given area of the yard, drenching the source of the motion. For more information click here.