New ultrasonic dog trainer, anti-barking device, four-head high-power dog repellent pet supplies USB port

• Enhanced effective anti-bark: The device contains 4 ultrasonic transmitters to send out farther and more powerful ultrasound, with wider coverage, which can effectively train the dog and prevent bad barking, scratching, digging and biting behavior. (For best training results, make sure to continue training for more than a week)
• Automatic anti-barking device: The automatic dog barking deterrent device can sense the sound of a dog barking and emit ultrasonic waves to stop unwanted behavior. This device can be used indoors or outdoors. The test results are best within the range of 33 feet (about 10 meters) of the farthest effective range. Three-speed frequency adjustment The ultrasonic frequency of 15KHZ, 20KHZ, and 30KHZ can adjust the appropriate frequency according to the size of the dog to effectively stop barking.
• Harmless and safe for humans: Our anti-barking device is designed to create a peaceful living environment for all. It does not emit any pungent odor, electric shock or annoying beep, ensuring the safety and health of dogs and people. Ultrasound is specially designed to be inaudible to humans and is harmless to human ears.
• Suitable for all dogs: Our anti-barking device is suitable for all dogs because it combines a range of frequencies suitable for dog hearing. By adjusting and changing different ultrasonic frequencies, dogs can be prevented from becoming insensitive to the sound wave frequency of the anti-barking device, ensuring that it effectively blocks barking behavior.
• Convenient charging: The device uses USB charging method, no need to replace the battery, Type-c interface, the battery can be charged, and it can be used for 30 days after 5 hours of charging (it is recommended to fully charge before use, the effect will be better).
• Indoor and outdoor use: The use site is not limited. IP45 waterproof and rainproof, it can be used indoors and outdoors. It can be hung on trees, walls or fence posts, and it can work normally even in windy and rainy days. 2 mounting screws and brackets are included in the package. The equipment is made of high-quality ABS material, which is durable and suitable for outdoor installation. You can use this equipment in various weather conditions with confidence without worrying about damage.