eXtreme G2 Dog Training Collar with Remote Add more collars:Remote + 2 collars separated by at least 4

separated by at least 4 feet

For this reason

Feed nylon strap through the "buckle gate" and "adjustment gate" until you find the best fit for your dog

making it basically indestructible

your eXtreme wire will settle and you won't even see it

eXtreme G2 Dog Training Collar with Remote Add more collars:Remote + 2 collars separated by at least 4Designed for medium to large dogs: If your dog weighs 15 pounds or more, this dog training collar is appropriate for him or her. This e collar fits dogs that have necks measuring between 8 inches and 26 inches 1000 foot range: This e collar for dogs has a range of up to 1000 feet. Our eXtreme dog training collar with remote offers 9 different levels of stimulation to choose from. e Training modes: We help tailor your e collar dog training experience