Dogtra 2700T&B 1-Mile Range Training & Beeper Remote E-Collar for Upland HuntingThe Dogtra 2700T&B e collar is specifically designed for upland hunting, giving you the control and locate ability on long range bird dogs with its 1 mile range. The 2700T&B gives you the ability to track your dog with three beeper modes: Point Only, Run Point, and Locate. Equipped with the new Accelerometer sensor, the 2700T&B gives you the enhanced ability to accurately track, detect, and monitor your dog. The 2700T&B comes with 127 Nick Constant