- 3-Speed Frequency Ultrasonic Technology: The ultrasonic dog trainer is designed for effective dog training and barking control. It emits safe sound waves at 25KHz and 40KHz, which do not harm dogs. This device helps redirect unwanted behaviors such as excessive barking, digging, scratching, biting, and climbing on furniture. Increase sound intensity to deter barking and ward off aggressive dogs. - Rechargeable with Long Battery Life: Equipped with a built-in 800mAH rechargeable Li-ion battery, this ultrasonic dog repeller features a USB/TypeC charging port and can be fully charged in just 0.5 hours. Enjoy up to 60 days of use on a single charge, making it ideal for travel and outdoor activities without worrying about power. - Dual Sonic Modes with LED Light: The handheld bark repeller offers two modes: a low-frequency setting for daily training and a high-frequency setting to quickly address misbehavior. It includes a flashing LED light for nighttime visibility. To prevent dogs from acclimating to a single frequency, it alternates between steady and undulating sound waves, effectively assisting in training and keeping other dogs at bay during walks. - Compact Design with 50 FT Range: This ultrasonic dog repeller has a transmission range of up to 50 feet, allowing you to manage barking and deter other canines from a distance. Its compact size makes it easy to carry in your pocket or bag, ensuring convenience for both indoor and outdoor use. Practical Applications: - Use it during walks to discourage your dog from barking at strangers or other dogs. - Implement training sessions at home to curb undesirable behaviors like scratching or biting. - Utilize it in parks to maintain peace by managing barking and deterring aggressive dogs. This product combines functionality, portability, and ease of use, making it an essential tool for all dog owners.