- Advanced Ultrasonic Repelling Technology: Utilizes state-of-the-art 20-30KHz ultrasonic waves, inaudible to humans, effectively discouraging aggressive dogs without causing harm. - Dual Mode Functionality: Features a fixed frequency mode for everyday situations and a sweep frequency mode for more aggressive dogs, adapting to various environments and needs. - Multifunctional LED Light: Offers three lighting modes (constant, strobe, off) for nighttime visibility, with strobe mode enhancing the deterrent effect against dogs. - Lightweight and Portable: Weighs only 93 grams and includes a convenient belt clip, making it easy to carry and an essential tool for outdoor activities. - Versatile Use Cases: Ideal for mail carriers, delivery personnel, joggers, and dog walkers, providing effective protection with a range of up to 10 meters. - User-Friendly Operation: Designed for one-handed use, allowing quick and easy operation in emergency situations. - Rechargeable and Convenient: Equipped with a built-in 800mAh lithium battery, providing up to 2 hours of continuous use on a single charge, along with a power display and low battery reminder for added reliability.