This collar is 1.75″ wide to conceal the unit inside.
Will work with ALMOST any Electronic Collar

PLEASE NOTE! This collar will NOT work with a GPS unit (for example Garmin units). This collar is designed for E-collar units

How to Measure your dog’s neck:
Wrap a soft Tape Measure or string around your dog’s Neck directly below the JAW and EARS. If the measurement is between two numbers, use the smaller number