Mini Rechargeable Ultrasonic Dog Repeller and Anti-Barking Device

🐶 Effectively Train Your Dog And Expel Vicious Dogs 👍 FEATURES 【3-Speed Safe Frequency Ultrasonic】Ultrasonic dog trainer is a professional equipment for dog training and barking control. 25KHz-40KHz safe frequency sound waves do not cause any harm to dogs, the ultrasonic waves emitted by the dog trainer can attract the attention of dogs and prevent unwanted behaviors such as barking, digging, scratching, biting, and climbing on furniture. 【Portable & Compact】The ultrasonic dog repeller can prevent dogs from barking, and repelling canines within the effective distance, the anti-barking device is compact enough to fit in your pocket or bag, easy to carry around, and easy to use outdoors and indoors. 【Rechargeable & Amazing 90 Days of Use】Ultrasonic dog repeller has a built-in 800mAH rechargeable Li-ion battery and Type-C charging port, it can be fully charged in 0.5 hours and can be used for 90 days of long time with full charge. Suitable for traveling and outdoor act