DT SYSTEMS Micro iDT Additional Collar for DT Systems Micro iDT Plus Dog Training System, 6-22" Adjustable Replacement Add-On E-Collar - Green
The IDT Add-On Collar unit can be added to your Micro-iDT PLUS training system to expand your unit up to a 3-dog system. This Add-On Collar can also replace a lost or damaged collar for MicroiDT Z and PLUS series systems (only for systems with serial numbers that start with a letter). Programming to your existing system is fast and simple.