General description The Sensitivity Levels-Blue Anti Bark Collar is a fully automatic training device designed for small, medium, and large dogs. This collar effectively reduces annoying barking, creating a peaceful environment for your family and neighbors. Simply turn it on, hang it around your dog's neck, and let it work its magic. Technical specifications Rechargeable: Charges in 2 hours Battery life: Up to 60 days Adjustable sensitivity levels: 1 to 7 Adjustment range: 6-35 cm Waterproof rating: IP67 Usage Automatic anti-bark function: Collar sounds 7 times before temporarily stopping for 1 minute Two training modes: Beep + vibration Adjustable sensitivity: Higher sensitivity makes it easier to trigger the collar Level 4 is the most sensitive setting Other information