Garmin Dog Training - Delta® SE Bundle (Handheld & Dog Device)SO SIMPLE, YOU COULD SAY WE WROTE THE BOOK 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 dogs1 easier than ever. Stay connected with your dog at up to a half mile range.