Function Description: An ultrasonic trainer that corrects dogs’ uncivilized behavior by pressing the launch button to emit ultrasonic waves. The ultrasonic waves emitted by the ultrasonic trainer will stimulate and startle the dog, thereby interrupting barking and preventing further uncivilized behavior. Continuous use for a period of time will gradually improve the dog’s uncivilized behavior and develop a good habit of civilized travel. Features: 1. Considering the problem that dogs can adapt to ultrasonic frequency, ultrasonic frequency conversion equipment has been added. 2. The ultrasonic is powerful, and the airflow caused by the sound wave is enough to extinguish the flame of the lighter. 3. The function is unique, the product is stable and reliable, which is conducive to reducing bad reviews 4. Rechargeable, long standby time 5. Oil injection on the surface of the hull + return of the pilot light
