[Latest Ultrasonic Dog Barking Device] Wango dog trainer ultrasonic dog barking control adopts the latest ultrasonic technology, the intelligent detection system covers dog barking in the area, and automatically sends out ultrasonic waves to mute the dog, solving the problem of excessive dog barking and noise. question to. Safe Dog Barking ControlUsing high ultrasonic technology, the ultrasonic barking device is harmless to pets above the range of human hearing, but attracts the dog's attention without painful stimuli. A harmless and humane way to stop your dog and your neighbor's dogs from barking Works on all breeds and sizes of dogs Rechargeable Dog BarkIt can work continuously for 30 days when fully charged. Lightweight wrist leash design for easier operation of indoor and outdoor bark deterrents. Waterproof and Super Cute Mini DesignWaterproof dog skin, shatterproof, durable, weatherproof, tough, safe for indoor and outdoor use in all weather conditions. Equipped with a well-designed mini shape, it is lightweight and easy to place or hang anywhere Dog Safety UltrasoundUsing high ultrasonic technology, the ultrasonic barking device is harmless to pets above the range of human hearing, but attracts the dog's attention without painful stimuli. color: White Single product size: 8.5*7.5*10CM