1. Effective Dog Trainer: Using frequency sound waves, this harmless antibark device is safe, effective, and inaudible to humans, ensuring a peaceful environment without harming animals. 2. Enhanced Pet Training: Achieve improved pet training with this dualultrasonic dog bark control tool. Featuring a frequency strobe light and ultrasonic power, it effectively deters aggressive dogs in lowlight or nighttime environments while enhancing training up to a 25meter range. 3. LongLasting Training: Enjoy hassle control over your dog's barking with our compact, lightweight device, offering up to 60 days of standby time. Designed for easy carrying and userfriendly operation, it's your outdoor training companion. 4. Behavior Correction Aid: Pressing the device emits ultrasonic waves to deter unwanted barking and activates bright LEDs, which can be used as a flashlight to light your way home and ensure safe evening walks.