6 Levels of Correction

Fits neck sizes up to 28"
10 Levels of progressive correction

Fits neck sizes up to 28"
15 Levels of progressive correction

10 Combinations of Vibration Correction

Uses an ultrasonic tone to deter nuisance barking

For dogs 8 pounds and up
Fits neck sizes up to 27 inches

Fits neck sizes up to 20"
Small Dogs up to 55 lbs.
30-40 Sprays per Refill