Bark Off "As Seen On TV"

Stop excessive barking with the Bark Off! This ultrasonic training aid is activated only when your dog barks. It produces a high-pitched noise in a frequency that is audible to your dog, teaching him to be quiet. Simply place it in the vicinity where you dog typically barks, turn the power switch on, and let it do the work. It has a 20 foot range and can be adjusted high or low, depending on your pet’s sensitivity. Comes with a wall mount. Requires 9 volt battery, not included.