PetSafe YardMax Pet Fence Receiver Collar Only for Dogs and Cats Over 5 lb, Rechargeable, Waterproof, Tone and Static Correction - from The Parent Company of Invisible Fence Brand

Let all of your pets enjoy more outdoor freedom! Add an unlimited number of pets to your YardMax in-ground system with this extra receiver collar. YardMax maximizes the amount of yard space for your pet to play freely in. When your pet nears the boundary, the collar will give a warning beep, followed by a static correction to remind your pet to stay within the boundaries. Your pet will be enjoying greater yard freedom in no time!