Ultrasonic Dog Bark Collar - Water Proof Adjustable for Pet Training

Creates harsh buzz to stop barking. High and low modes (high for big dogs low for small dogs) Dogs quickly learn that their barking causes this irritating sound and stop barking to stop the noise. Ultrasonic: works by sending out an ultrasonic signal that only dogs can hear when activated by the barking. The ultrasonic sound is 100% harmless. Adjustable stretch collar to fit different sizes. Trigger accurately by bark vibration (can not activate by other dogs barking) Discounted at only: US$ 10.00