Dog training collar, max distance 1000m, waterproof accessory, electric shock vibration with sound, range for small medium and large dog. Ideal for quiet walks, in case of a fight with another dog you can control your dog from a distance with the remote control. The shock collar leaves no lasting pain for your dog. He just gives her a little shock that will stop her from doing anything bad like sneaking through the flower bed or chasing after the neighbor's cat. This shock collar can control two dogs if you prepared two collars. It offers a range of up to 1300 feet (433 yards), suitable for any indoor training or outdoor hike, and it's still effective when there's a barrier between you and your dog. This training dog collar has an adjustable design that allows you to adjust its size from 9.