This particular best e collar for working dogs will put you at ease and eventually your dog will learn what you have been teaching ever since you can remember. The waterproof IPX67 teaching choker receiver gives your pet more flexibility during outside activities. The remote transmitter also has an LCD with illumination to help you train your dog at all times. Standard Tone, Vibration (1-8) levels, and Shock (1-16) levels are the three settings on this dog shock collar.