Garmin Delta SE Hand-Held Remote Dog Training System, Black, Small; With the Garmin Delta SE Hand-Held Remote Dog Training System, you can improve your communication with your best friend for simplified training at home, in the field and more. The controller’s ergonomic three-button design includes 10 levels of both momentary and continuous stimulation, tone and vibration, so you can easily communicate with your dog. It features a half-mile range and 60 hours of battery life, so it’s paw-fect for training on the go. You can even switch back and forth between sending signals to two dogs for group training sessions. This unit requires a dog collar for each dog (sold separately).