GARMIN Tri-Tronics PRO 550 Apparel This single drop whistle lanyard

This single drop whistle lanyard by Handler's Choice will exceed your expectations

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lithium-ion battery

What it delivers is a powerful throw from a frame that retracts small for easy storage

Alpha 200i

GARMIN Tri-Tronics PRO 550 Apparel This single drop whistle lanyardThe PRO 550 with proven Tri Tronics technology allows advanced training for the serious professional with easy access to 21 levels of momentary and continuous stimulation, tone as well as the ability to quickly switch between 3 dogs. PRO 550 features vibration and tone settings, remotely operated beacon lights on the dog device to help locate your dog in low light, the ability to add an Upland Beeper (purchased separately), and a built in BarkLimiter,