PetSafe In-Ground Fence, No Wire

He’ll hear a warning tone as he nears the boundary you’ve established and a quick correction if he attempts to cross it. The lightweight, adjustable collar is the perfect complement to the new found freedom your dog will experience on his old turf. Includes Anti-Linger Prevention and Progressive “run-through" Prevention. System Includes: Transmitter with Power Adapter, Deluxe UltraLight Receiver with adjustable collar fits pets with neck sizes 6" to 28", Operating and Training Guide, PetSafe RFA-67 Battery, 50 Training Flags, Waterproof splice capsules and wire nuts, Interchangeable Contact Points – long and short, and Test Light Tool. Deluxe UltraLight waterproof Receiver (PUL-275) Collar with low battery indicator 4 adjustable levels of correction plus tone-only mode Covers up to 10 acres with additional wire and flags (wire sold separately) For pets over 8 pounds