Garmin Pro Series (PRO 70, PRO 550, and Trashbreaker) Review   So, we are looking at the models PRO 70, PRO 550, and Trashbreaker from the Garmin PRO Series e-Collars. Garmin has basically worked to enhance the PRO line with added features while lowering down the prices on two of the three models and has streamlined the choices. The Garmin PRO Series 1.      Garmin PRO  550 … [Read more...]