The YS100 has been specifically designed to prevent dogs from barking excessively. This high-tech collar automatically emits electrical stimulation in response to the dog's barking. The Yapper Stopper is ideal for use with smaller breeds, but works well with all sizes canines.

Specifications and Features:
1.9"x1.5"x1.1"
3.0 Ounces
6 Volt Alkaline or lithium battery
Waterproof
Seven intensity levels