The SpotOn is a half-pound GPS collar meant for dogs weighing 15 pounds or more. It comes in one color (gray) and three sizes ...

The SpotOn collar offers several feedback options to keep your dog within the virtual GPS boundary you create, and its high price means you don’t pay a subscription fee unless you need to track an ...

All sizes cost $999, but if you visit the SpotOn site and sign up, you'll be sent a constant barrage of discounts offering around $60 off. If you have multiple dogs, extra collars come with a $100 ...