PetSafe PIF-300 Wireless Pet Containment System ? Covers Up to 1/2 Acre ? Portable Fence for Dogs Keep your pet safe and secure without digging or burying wires! The PetSafe PIF-300 Wireless Pet Containment System offers a simple, portable, and reliable solution to help your dog stay safely within your yard. Covers up to 1/2 Acre ? This system creates a circular, wireless boundary with a radius of up to 90 feet from the transmitter (a full 180 feet diameter). That equals a containment area of approximately 25,400 square feet, or slightly more than 1/2 acre! It's perfect for medium-sized yards, front lawns, or open outdoor areas where you want your pet to roam freely. Completely Wireless Setup ? No trenching, no wires to bury. Just plug in the transmitter, set the boundary range, and train your pet using the included boundary flags and training guide. Adjustable Circular Boundary ? Use the dial to customize the range to suit your yard, from small zones to the full half-acre range. Ideal for homes, cabins, RVs, or temporary setups. Safe Customizable Correction ? The included waterproof receiver collar fits pets over 8 lbs ,The system works by delivering a safe static correction through two contact points that touch the pet's neck but will not harm it . Portable for Travel ? Take it with you anywhere! Great for camping trips or vacations?just bring the transmitter and collar, and recreate your pet?s safe zone in minutes. Includes: Wireless Transmitter with Power Adapter Receiver Collar for neck sizes 6" to 28" (with RFA-67 Pet Safe Battery) 50 Boundary Training Flags Test Light Tool Operating Guide CONDITION: BRAND NEW TERMS OF SALE "PLEASE LOOK AT THE PICTURES THEY ARE FROM THE ACTUAL PRODUCT THAT I WILL SHIP -WHAT YOU SEE IS WHAT YOU GET " IF FOR ANY REASON YOU ARE NOT HAPPY WITH THE PURCHASE PLEASE CONTACT US BEFORE LEAVING NEGATIVE FEEDBACK ,SO WE CAN MAKE SURE YOU ARE 100% SATISFIED WITH YOUR BUYING EXPERIENCE.