CO-Z INDOOR WIRELESS PET BARRIER WITH ADJUSTABLE RANGE, DOG ELECTRIC FENCE FOR HOME, WITH TRANSMITTER & RECHARGEABLE SHOCK TRAINING COLLAR, PET GATE KEEPS 1'6" TO 8'6" AREAS OFF LIMITS. THIS IS A NEW OPEN BOX. ABOUT THIS ITEM * SAFE after the first or second mild static correction, they will learn to respond to the warning tone alone, protecting your kitchen, nursery, sofa, and more! * ADJUSTABLE RANGE: Each fence transmitter leaves your pet free to roam elsewhere while protecting an area as small as 1'4" or as wide as 8'6"; a provided tester tool lets you fine tune everything to meet your needs; when needed, securing multiple areas is as simple as purchasing additional transmitters * ADJUSTABLE & WATERPROOF COLLAR: Three metal prongs (0.8/1.1/1.9 cm long) and a training collar that adjusts from 6 to 17 inches in width