PetSafe Wireless Pet Fence Pet Containment System, Covers up to 1/2 Acre

1/2 ACRE OF CIRCULAR COVERAGE: The adjustable circular range can cover up to 1/2 acres from the placement of the portable indoor transmitter, and can be expanded further with purchase of an additional transmitter NO DIGGING OR WIRE TO BURY: Sets up in just a few hours; a wireless boundary allows you to create a secure barrier around your yard to protect your pets without the time or hassle of burying wires STATIC-FREE REENTRY: Unlike traditional in-ground fences, this wireless fence allows your pet to return home without being corrected if your pet passes the boundary PORTABLE: This portable system is terrific for camping, vacation homes, or anywhere you travel with access to an outlet WATERPROOF COLLAR: The waterproof collar comfortably fits small, medium, and large pets 8 pounds and up and adjusts to fit neck sizes 6-28 inches; compatible with all PetSafe Wireless Fence transmitters LONG BATTERY LIFE: The collar battery lasts up to 2 months before the low battery indicator alerts yo