Perimeter Technologies Comfort Contact Extra Receiver Collar Shopify Collective Seamless Warning Tone (Anti-Linger): Perimeter®

Seamless Warning Tone (Anti-Linger):  Perimeter® brand dog fence systems avoid excessive battery drain from those dogs smart enough to sit in the warning area until the receiver battery is dead

SMARTWATCH COMPATIBLE: Smart watch users can now track their dogs from their smartwatch with quick access to the extended PATHFINDER2 dog tracking app that is available for Apple Watch Series 5 and Galaxy Watch4 Series and above

The new PATHFINDER2 is NOT compatible with PATHFINDER series

IPX9K WATERPROOF CERTIFIED: The 3500X is IPX9K waterproof certified

Perimeter Technologies Comfort Contact Extra Receiver Collar Shopify Collective Seamless Warning Tone (Anti-Linger): Perimeter®This collar is compatible ONLY with Perimeter Technologies brand Pet Fence Systems and is NOT compatible with ANY Other brand! Purchase an additional Perimeter brand dog fence collar receiver to add to any Perimeter brand dog fence kit. This collar can be used as a replacement for a lost receiver or to add an additional dog to your system. Perimeter brand dog fence kits will support any number of dogs. Features: 5 Independently Adjustable Correction