Professional Training Mode: Intimate Training Mode is designed to solve the problem of uncontrollable behavior. Designed for pet owners, dog walkers, and professional dog trainers, this dog training collar corrects annoying habits like barking, biting, biting, and digging. [Rotary/Dial Switch]: The remote control of the dog training collar adopts rotary ring design, the zero sequence dial is easy to operate and smooth to the touch, and another advantage is that the adjustment speed is faster and easier. intuitive. .This trainer is easy to use for beginners, seniors and professional dog trainers. Waterproof Receiver: The receiver of the dog training collar is waterproof, allowing your dog to go up to 2 meters underwater, suitable for swimming, bathing and playing in the rain. (Note: The remote is not waterproof, the receiver’s charging port must be closed before the dog is submerged.) Adjustable Collar: This dog training collar can be adjusted from 20 to 70 cm, suitable for small,