1. In view of the problem that dogs will adapt to ultrasonic frequency, the ultrasonic frequency conversion gear has been added
2. Ultrasound is strong, and the airflow caused by the sound waves is enough to blow out the flame of the lighter
3. The function is single, the product is stable and reliable, which is conducive to reducing negative reviews
4. Charging model, long standby time
5. Oil spray on the surface of the shell + night reflection
6. Ultrasonic trainer that corrects dog's uncivilized behavior by pressing the launch button to send out ultrasonic waves
7. The ultrasonic waves emitted by the ultrasonic trainer will stimulate the dog and make the dog feel surprised, thus interrupting the barking and preventing subsequent uncivilized behaviors
8. Continuous use for a period of time will gradually improve the uncivilized behavior of the dog and develop a good habit of civilized travel
9. Power supply mode: USB charging/built-in lithium battery
10. Battery capacity: 600mah
11. Weight: about 95g