<p>Transform your smartphone into a powerful hunting tool with the Dogtra® Pathfinder2 GPS Dog Tracking and Training System. It can track up to 21 dogs within a 9-mile range, and it works with Dogtra's free app, so you can keep an eye on things with real-time GPS tracking and training functions on your smartphone. You can even use offline, up-to-date maps to get your bearings, which is especially helpful when you're off the grid. Training functions include a rheostat/volume dial with 0-100 levels; nick and constant stimulation; non-stimulating pager vibration; and audible tone. Other modes include geofence and tracking only. A 2-second update rate keeps you in the know. The e-collar also comes equipped with a waterproof receiver and a LED Locate Light. The GPS connector sports an E-Collar Function button for a quicker response. Included collar fits neck sizes 12 and up. Also recommended for use with dogs as small as 35 lbs.<br>Manufacturer model #: PATHFINDER2.</p> <ul> <li>Tracks up to 21 dogs within a 9-mile range</li> <li>Works with Dogtra's free smartphone app</li> <li>Real-time GPS tracking and training functions</li> <li>Access offline, up-to-date maps</li> <li>Rheostat/volume dial with 0-100 levels</li> <li>Nick and constant stimulation</li> <li>Non-stimulating pager vibration</li> <li>Audible tone</li> <li>Geofence and tracking only modes</li> <li>2-second update rate</li> <li>Waterproof e-collar receiver</li> <li>LED Located Light</li> <li>GPS connector with E-Collar Function button for quicker response</li> </ul>