When it comes to playtime in your yard, the more, the merrier! The Guardian® Add-A-Dog® Collar lets you protect up to 8 pets within your Guardian® GPS Dog Fence, by giving each their own collar. Setup is effortless and can be done within the My PetSafe® app where you can customize settings, monitor battery life and adjust correction levels for each dog. Choose from tone & vibration mode for training or up to 10 levels of static correction, tailored to your dog’s needs. Equipped with the innovative AccuGuard™ technology, these collars integrate GPS satellite data, real-time motion detection, and AI to offer unmatched protection. Designed for durability and outdoor fun, they are completely waterproof and ready to withstand any weather or playful splashes. Plus, with a battery that lasts 5 days and recharges in just 2 hours, your pets stay safe without interruption. Please note that these collars are only compatible with Guardian GPS Dog Fence (PIF00-17933) and Guardian GPS Connected Customizable Fence (PIF00-17777) systems. Features Protect up to 8 pets with one fence by giving each pet their own Guardian GPS Add-A-Dog Collar (additional collars sold separately) Compatible with Guardian GPS Dog Fence (PIF00-17933) and Guardian GPS Connected Customizable Fence (PIF00-17777) systems AccuGuard™ tech blends GPS satellite data, real-time motion detection and AI for advanced protection Choose between tone & vibration or 10 levels of static correction to suit your dog's needs Waterproof design ensures the collar is ready for zoomies in the yard, rain or shine Quickly charges in 2 hours and boasts a battery life of up to 5 days Fits neck sizes 13-28 inches for pets over 25 pounds Easy setup with your existing Guardian GPS Dog Fence via the My PetSafe® app