A simple and effective training tool that features a clicker and stimulation. Allows you to train your dog with negative and positive reinforcements. Plastic Points. Available Colors: BLACK, PINK, BLUE, PURPLE. Detachable Strap. Expandable to 2-dog (Additional receivers sold separately). Reduced size receiver. User-friendly Coin Lithium Batteries (CR2032). Waterproof Receiver. Water-resistant transmitter. Stimluation levels from 0-100. Up to 100 yards. Pulsating nick stimulation. Distinct and consistent click.