I remember the couple of days ago. I found PetSafe Wireless Pet Containment System, PIF-300 selling at amazon.com
Safety for your pet; simplicity for you! The PetSafe Wireless Containment System is a simple, yet effective alternative to traditional outdoor fencing or buried wire fencing. Instead of using spools of boundary wire around your yard, the PIF-300 uses radio frequency to guard your pet against straying. The system is also portable, allowing you to provide a wireless pet area when traveling. .. Read More or Full Review
After I have reviewing several online shop, at selling PetSafe Wireless Pet Containment System, to compare prices and after sales service, amazon.com is an online shop that I was impressed. And I would like to present.
Wireless PET Containment, Customer Reviews