SportDOG FieldTrainer 400 for $131.84

The compact SportDOG FieldTrainer 400 is ideal for training in the yard, field, or for hunting with dogs that hunt close. Because no 2 dogs are alike, the FieldTrainer 400 is designed to provide more stimulation to large or stubborn breed dogs. Choose from up to 16 levels of continuous or 8 levels of momentary stimulation that causes no harmful effects. The 3.2-ounce transmitter fits snugly in the palm of your hand. Press a button to stimulate your dog from as much as 400 yards away.