PetSafe Free to Roam Wireless Electric Dog Fence

Features Portable wireless system sets up in 1-2 hours For dogs 5 pounds and up Fits neck sizes 6-28 inches Tone-only mode alerts your pet with a beep Covers an adjustable circular area up to 1/2 acre (180 feet in diameter) Expand containment size with additional wireless transmitters Add an unlimited number of pets with additional wireless receiver collars Waterproof receiver collar Collar uses replaceable RFA-67D-11 Batteries Low-battery indicator (collar) Works with the original Wireless Pet Containment System (PIF-300) and Receiver Collar (PIF-275) System Includes Transmitter with power adapter Waterproof receiver with adjustable 3/4" collar strap 6-Volt Battery (RFA-67D-11) Test light tool Quick start guide 50 boundary training flags Short and long contact points Contact point wrench Mounting bracket and hardware