Brand New Open Box PetSafe Wireless Pet Fence Pet Containment System, Covers up to 1/2 Acre, for Dogs over 8 lb, Waterproof Receiver with Tone / Static Correction - From The Parent Company of INVISIBLE FENCE Brand Opened to make sure item was brand new*The box is not BRAND NEW because it has been in storage but unit is BRAND NEW* BOX HAS SEEN BETTER DAYS* About this item: 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 you to replace the battery; uses the PetSafeRFA-67D-11 battery PERSONALIZE YOUR DOG'S COLLAR SETTINGS: Find the best level for your pet with 5 adjustable correction levels; also includes tone-only mode for training to teach your pets to stay in the secure play area FAST SHIPPINGENJOY!