The Educator UL-1202 2 Dog E-Collar 1 Mile Upland Hunting Dog Remote Trainer is a top-of-the-line pet training aid designed specifically for dogs. With a range of 1 mile, this remote trainer allows you to effectively train your dog from a distance. The transmitter offers user-selectable stimulation levels from 1 to 100, ensuring that you can find the perfect level for your dog’s needs. The Lock and Set feature prevents accidental overstimulation, while the blue LCD display shows the stimulation level at all times. The boost feature provides more powerful stimulation when needed, with adjustable levels from 1 to 60. The ergonomic stopwatch design of the transmitter allows you to keep your eyes on your dog at all times, making training sessions more efficient and effective.