Stop Woofer Stop Woofer Ultrasonic Dog Trainer Blue/Grey

Brand new Stop Woofer Ultrasonic Dog Trainer Blue/Grey -For dogs of different sizes: 5-120 lbs -Dogs of different ages: 6 months to 8 years -Rechargeable battery: 2 hours charging time/ 60 days battery life -The set ultrasonic frequency (25 KHZ) has a certain effect on dogs and helps you correct their behavior