Garmin PRO 550 Dog Remote Training Collar System 1 Mile Range, Built-in BarkLimiter. Train your dog to be the ultimate hunting partner. The Garmin Pro 550 bundle, which is an improved version of the proven dog training performance of Tri-Tronics technology with a one-mile range. This top of the line model is an extremely versatile remote training collar that is expandable up to 3 dogs and is perfect for any breed of dog and any type of training from basic obedience to advanced field work. The Garmin PRO 550 with Tri-Tronics technology gives the serious trainer one-handed control with a 1-mile range on "line of sight" This means that to get the full range out of a system there should be nothing between the transmitter and the receiver, and the terrain should be flat and open.
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