Dogtra Pathfinder2 Wireless Collar 1409826. Offering real-time tracking of up to 21 dogs within a 9-mile range this system connects seamlessly to the free PATHFINDER2 app requiring no subscription and supporting offline maps for areas without service. It includes a fully waterproof receiver with stimulation vibration tone and LED locate light functions along with a redesigned GPS Connector featuring a dedicated E-Collar function button. Expandable and customizable the Pathfinder2 provides unmatched versatility and control all from your smartphone. Specifications for Dogtra Pathfinder2 Wireless Collar: Manufacturer: Dogtra Color: Orange Black Features of Dogtra Pathfinder2 Wireless Collar: Tracks up to 21 dogs within a 9-mile range 12-inch minimum neck size 2-second GPS update rate Stimulation levels: 0?100 (Nick and Constant) Non-stimulating Pager Vibration Audible tone LED locate light Fully waterproof receiver GPS Connector with E-Collar function button Geo-fence option Offline maps with no signal required Tracking-only mode available Requires PATHFINDER2 app (iOS 12.1+ or Android 6.0+ with Bluetooth 5.0+) Apple Watch and Samsung Galaxy Watch4 integration supported For dogs as small as 35 lbs Receiver Weight: 6.6 oz Receiver Dimensions: 3.4 x 1.5 x 1.7 in Transmitter Weight: 3.7 oz Transmitter Dimensions: 3.6 x 1.9 x 0.9 in Includes GPS e-collar GPS connector USB charger splitter cable belt clip test light contact points extension tool lanyard carrying case and owner?s manual Package Contents: Dogtra Pathfinder2 Wireless Collar