Wireless dog fence primarily makes use of a radio frequency to protect your pet from getting out of its marked area. With having a petsafe wireless fence no underground wire is needed since, it is quite handy and portable approach to define your pet's boundaries. Wireless electric dog fence covers up a flexible circular area up to half acre which is around 180 feet in diameter. While coming out of the marked area, your pet gets a safe but effective correction. This handy wireless dog fence system gets installed in around 1 to 2 hours. Read the latest wireless dog fence reviews and find great petsafe wireless fence deals online.http://eliteproductreviews.ning.com/blog/wireless-pet-containment-system-petsafe-wireless-dog-fence