Garmin Delta SE Handheld Dog Training Device - No more complex training. With the Delta SE handheld and dog collar, you and your canine companion have everything you need to sit, stay and play - the easy way. Train simply with the small, ergonomic 3-button handheld. Enjoy three ways to train, including stimulation, tone and vibration. A slide switch makes training up to two dogs easier than ever. Stay connected with your dog at up to a half-mile range. Tactile dial helps you and your dog stay focused while training.