As your dog barks the collar automatically adjusts to give a safe but annoying static correction. As your dog learns to bark less, correction levels are reduced. By utilizing unique bark-sensing technology, the collar provides the most reliable bark detection available. The collar will only activate when your dog barks. It will not activate in response to another dog's barking or other noises. Static correction is adjusted according to how often the dog barks with Temperament learning. Collar has a 2hour quick charge and a Low-battery indicator. System Includes: Rechargeable Collar and Adjustable Strap, Charging Adapter, Test Light Tool, Small and Large Probes, and Quick Start Guide.Features: For dogs 8 pounds and up Fits neck sizes up to 28 inches 15 adjustable levels of static correction Automatic safety shut-off Rechargeable Lithium-ion battery (built-in; non-replaceable) Waterproof Each battery charge lasts up to 80 hours depending on use
