3/4 ACRE OF CIRCULAR COVERAGE: Adjust the circular boundary range up to 3/4-acre (22-105 ft in all directions) from the placement of the indoor 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 RECHARGEABLE, WATERPROOF RECEIVER COLLAR: Wireless fence system comes with 1 waterproof, rechargeable receiver collar that comfortably fits dogs 5 lb and up and adjusts to fit neck sizes 6-28 in MULTI-PET CUSTOMIZATION: Find the best level for each of your pets with 5 adjustable correction levels and tone-only training mode; add additional collars for the whole fur-family LCD DISPLAY: An easy to read display shows you how far your pet’s play area expands; the screen also has warning indicators to let you know if there is an error with the wireless fence system PORTABLE: This portable system is terrific for camping, vacation homes, or anywhere you travel with access to an outlet TRUST THE BEST: Our proprietary circular boundary gently guides your dog back to his play area 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