- Long-lasting and Rechargeable: This dog barking deterrent device features a powerful 800mAh battery that lasts over 90 days on just 2 hours of USB fast charging. Ideal for training sessions, it can effectively correct unwanted behaviors in under 3 seconds without causing harm to your dog or humans, thanks to its 10-second self-stop protection mode. - Multifunctional with LED Flashlight: The built-in high-powered LED flashlight enhances visibility during nighttime walks or outdoor activities, ensuring safety for both you and your dog. It also doubles as a party flashlight for added fun. - Safe and Unique Design: Our device offers three effective modes: Stable Wave Ultrasonic and Jump Wave Ultrasonic. It emits a fixed ultrasonic frequency of 25kHz, as well as a flexible frequency range of 15-40kHz, allowing you to deter barking effectively based on individual dog reactions. - Portable and User-Friendly: Designed for comfort and ease of use, this pocket-sized barking silencer is lightweight yet compact. Its elegant design ensures it fits seamlessly into your lifestyle without being overly cumbersome. Use Scenarios: 1. Perfect for training both indoors and outdoors, ensuring your dog learns appropriate barking behaviors in any environment. 2. Ideal for evening walks in the park, helping to maintain a peaceful atmosphere by controlling excessive barking. 3. Useful during social gatherings or crowded events, allowing you to manage your dog's barking behavior while enjoying your time with friends and family.