The UL20 Ultrasonic Bark House has two ultrasonic speakers which effectively doubles the intensity of the original bark house model. The dog will quickly associate the ultrasonic sound to barking, which will stop or significantly reduce unwanted barking.
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Features:-It emits safe sound waves (25-30KHz) to attract your dog's attention and prevent bad behavior.-The maximum applicable distance is 10m, and the optimal distance is 5m (ultrasonic waves cannot penetrate obstacles).-Built-in 800mAh rechargeable lithium-ion battery, can be used for up to 60 days per charge.-With low/medium/high frequency mode, this ultrasonic wave will not cause harm to dogs, but can effectively stop dogs from barking and aggressive behavior.-Equipped with two high-brightness LED lights, you can turn on the spotlight with one button, allowing you to walk safely and worry-free even in the dark.Specifications:Color: orangeController type: Button controlMaterial: plasticInput voltage/current: 5V/2A (DC)Working sound wave: 25kHz-30kHzS.
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Features: -It emits safe sound waves (25-30KHz) to attract your dog's attention and prevent bad behavior. -The maximum applicable distance is 10m, and the optimal distance is 5m (ultrasonic waves cannot penetrate obstacles). -Built-in 800mAh rechargeable lithium-ion battery, can be used for up to 60 days per charge. -With low/medium/high frequency mode, this ultrasonic wave will not cause harm to dogs, but can effectively stop dogs from barking and aggressive behavior. -Equipped with two high-brightness LED lights, you can turn on the spotlight with one button, allowing you to walk safely and worry-free even in the dark. .
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How does it work?. When the DOGTEK Sonic Birdhouse is within range of a barking dog, the internal microphones sense the barking and the unit is triggered automatically. The DOGTEK Sonic Birdhouse emits an ultrasonic sound which is heard by dogs but is not detected by humans.
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Anti Barking Device for Dogs – 3X Ultrasonic Dog Barking Deterrent Devices + 6 Humane Training Modes, Rechargeable & Safe Training & Behaviour Aid for Indoor and Outdoor Use
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NOTE: Does not work on deaf or hearing impaired dogs. Durable and waterproof,The outdoor ultrasonic barking device has a power indicator. Stop excessive, noisy dog barking by emitting an ultrasonic sound to silence the dog.
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