High Tech Pet Bluefang Smart Phone Electric Dog Fence, Training and Bark Stop Collar, BF-22, Navy Blue Train, Contain and Control Dog Barking with Your Cell Phone, Up to 400 ft. Range, Has new firmware download feature.^Includes Positive Behavioral Training and Corrective Stimulus to Stop "Bad Dog" Behavior^Built-in Bark Control Stops Barking Fast; Allows Intruder/ Alarm Type Barking if You Choose^Electronic Fence Feature uses exclusive Pulsed Proportional Stimulus system^Lightweight, Waterproof Collar for dogs 5 - 120 lbs.