This iDT Add-On collar is compatible with any Micro-iDT PLUS system, and it can also replace any lost or damaged Micro-iDT Z series collar unit with a serial number that starts with a letter (ex. #A12345).
Disclaimer: CritterCures is an educational resource, and all information herein is strictly for educational purposes. It is not intended to diagnose, treat, prevent, or cure diseases, nor is it meant to replace the (prescribed) treatment or recommendations of your veterinarian or healthcare provider. Always inform your veterinarian or healthcare provider of any products that your pet are taking, including herbal remedies and supplements.