Ortz Ultrasonic Dog Bark Collar - Water Proof Adjustable for Pet Training - Control Your Dog Bark - Made for Big & Small Dogs - No Electric Vibration Shock - Best Quality & Durable - White Nylon Electric Anti Bark Collar Controls your dogs barking by sound detectable by the vibration coming from your dogs barking Adjustable to fit all size dogs Includes 2x Batteries Trains your dog to stop barking for anything Authorized Ortz Products