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The Garmin PRO 550 is what serious gun dog trainers and professionals have reached for since Tri-Tronics defined the category with the original tube-shaped collar. The PRO 550 carries that DNA forward: a classic tube-style transmitter with a top-mounted selection dial, 21 stimulation levels, 1-mile rated range, and the one-handed operation that made the Tri-Tronics Pro 500 a staple in professional training programs for decades. Runs up to three dogs with PT 10 add-on collars, includes BarkLimiter with AutoRise technology, remotely operated beacon lights, and the ability to add an Upland Beeper. This is the collar for handlers who train with intention, know what precision control means, and expect their equipment to perform the same way every time.
