**2 Pack Ultrasonic Anti Barking Device for Dogs - 3 Modes Bark Control, 50FT Range, Indoor & Outdoor Use - Perfect for Training, Yard, and Travel (Black)**

▲Anti Bark Device Features: 1. Defer noisy barking by harmless ultrasonic sound 2. Range up to 50 feet 3. 4 levels. Test-used to verify the microphone and speaker are functional. Low Range-up to 15 feet/5 meters (Suggest testing indoors). Medium Range-up to 30 feet/10 meters. High Range-up to 50 feet/15 meters 4. Durable and weatherproof for outdoor use 5. LED light flashes for low battery indication 6. 9V Battery (not included) ▲How To Test Dog Bark Deterrent Devices? 1. Adjust the knob to "TEST" button. 2. Place the item to a position which is one arm's length away from you. 3. Whistle to the microphone of the item loudly, if the LED blinks Green, and you can hear beeping noise, then the item work properly. ▲How the Barking Dog Silencer Works? 1. When the outdoor bark control is within range of a barking dog, a microphone pick up the sound and the unit is automatically activated. 2. The outdoor no bark control emits an ultrasonic sound. (ultrasonic sound can be heard by dogs, but is silent to humans) 3. Startled by the high-pitched sound, the dog should stop barking, it will associate its bark with this unpleasant noise. 4. When the dog stops barking, the ultrasonic sound also stops. ▲Description: 1. Outdoor Bark Control is automatically activated when it detects barks up to 50 feet away. It then emits ultrasonic sound. 2. On hearing this high-pitched sound, the dog immediately stops barking, as it will associate its bark with this unpleasant noise. When the dog stops barking, the ultrasonic sound also stops. 3. Some dogs don't like the sound, and it may bark more violently at the device. At this point, don't turn off the device, keep it running, and give the dog a two-week acclimation period, and it will stop barking because the dog is smart！

【3 Adjustable Modes & Range Up to 50Ft】The dog barking silencer has three control modes to meet the different needs of your dog. The bark box anti barking device can cover a range of 50 feet and can be used indoors and outdoors. It is not only suitable for stopping your dog from barking, but also for stopping your neighbor's dog from barking excessively, creating a quiet space for you.

【Effective & Safe Dog Bark Deterrent Devices】Our anti barking device for dogs uses ultrasonic technology to prevent dogs from disturbing people's rest by excessive barking. The ultrasonic sound it emits is specially customized for dogs, which calms dogs by emitting soft but effective sounds. The humanized design ensures that dogs stop excessive barking without causing any pain and harm.

【Anti Barking Device for Dogs】Dog bark deterrent devices can stop your dog from barking excessively, so you can say goodbye to the nightmare of sleepless nights and constant disturbance caused by your neighbor's dog barking excessively. It ensures effective and humane training both indoors and in a spacious outdoor environment, creating a peaceful environment for you and your neighbors.

【Easy To Use Dog Barking Silencer】Our ultrasonic dog bark deterrent can be easily installed on the dog house, fence, garden fence, table or tree, etc. It is small and lightweight, easy to install, and can be used indoors or carried with you during outdoor activities. A 9-volt battery is required to use the sonic bark deterrents (battery not included).

【Durable & Waterproof Barking Box】Anti barking device for dogs indoor has an IPX4 waterproof shell, which can adapt to various bad weather. Whether it is sunny, rainy or snowy, it can work reliably. You don't need to worry about the weather to use the barking dog deterrent. The no barking device for dogs is small and convenient, and can be used safely indoors, outdoors or anywhere else.