1. Effortless Bark Solution: Automatically triggers frequency sound waves that are inaudible to humans but audible to dogs, without causing harm. Safe and effective, it creates a peaceful environment by reducing excessive barking. 2. Improved Pet Training: Enhance your pet's training with this dualfunction ultrasonic bark control device. Featuring a frequency flashlight and ultrasonic technology, it effectively deters aggressive dogs in lowlight or nighttime conditions and improves training effectiveness at distances up to 25 meters. 3. Compact Bark Control: Designed to be lightweight and portable, this device is easy to carry anywhere. With an impressive standby time of up to 60 days and userfriendly operation, it provides effortless control over your dog's barking during outdoor activities. 4. Behavior Correction Aid: Simply press the device to emit ultrasonic waves that curb unwanted barking, while also activating bright LED lights that double as a flashlight, illuminating your path for safe evening walks.