- Effective Barking Control and Training: Our ultrasonic dog repeller is designed to help you manage excessive barking and correct undesirable behaviors such as digging, eating unauthorized food, and fighting. This tool offers a humane way to train your dog without the use of shock collars. - Universal Compatibility: The device is suitable for dogs of all sizes. It emits ultrasonic waves at a frequency of 25-30KHz, which is inaudible to humans but easily detected by dogs, making it a safe and effective training aid. - User-Friendly Design: The compact ultrasonic barking device fits comfortably in your hand and includes an adjustable anti-static wrist strap. It operates effectively within a control range of approximately 5 meters (16.4 feet), making it versatile for various environments. - LED Operating Indicator: The device features an LED light that turns green when activated. Simply press and hold the button to emit ultrasonic waves. After 10 seconds of continuous use, the device will automatically turn off to conserve battery life. Requires 4 AAA batteries (not included). - Gentle Training Method: This ultrasonic device provides a training solution that is friendly to both dogs and humans, avoiding the harshness of electric shock collars. Consistent use, along with positive reinforcement, will yield the best training results. Use Scenarios: 1. Neighborhood Barking: Use the device to deter your dog from barking at passersby during walks. 2. Home Training: Implement it in your home to discourage unwanted behaviors like digging or counter-surfing when you are not present. 3. Social Situations: Utilize the repeller in dog parks to maintain order and prevent aggressive behavior towards other dogs.