Wireless fencing does use a mild electric shock to deter the cat from crossing the boundary, which bothers some pet owners who feel it is inhumane. Always use a collar designed for a cat to avoid delivering more of a jolt than necessary. A frightened cat or one focused on chasing prey may ignore the shock on the way out of the yard but be hesitant to cross the boundary line (and get shocked) again to re-enter the yard. Remember that, unlike traditional fencing, invisible fences will not keep other animals or predators out of the yard.
will they affect the wireless fencing ?
The Wi-Fi Wire Free Dog Fence has a huge, circular range of up to 2.5 acres in diameter, so is well suited to users with a large garden or outdoor area. It comes with 50 training flags and a collar that has Comfort Contact points, intended to fit comfortably against the dog's neck. This wireless dog fence has multiple shock levels to choose from, as well as an audible warning tone. The kit comes with a single collar, but an additional collar is available so that two dog households can safely manage their
Top 8 Wireless Dog Fences | eBay
The Petsafe Stay + Play Wireless Fence covers a circular area of up to 210 feet in diameter, providing a large, safe space for dogs 5 lbs. and over. It offers five adjustable levels of shocks for correction purposes, or an audible beep only. The collar is rechargeable, so negates the need to buy batteries on a regular basis.
50 Best Wireless, Electric Dog Fence Systems 2017 - Pet Life Today