1. Improved pet training and safety This dual ultrasonic dog control tool combines a high frequency ultrasonic signal with a bright LED flashlight to deter aggressive dogs in low light or night environments, supporting training up to 82 feet away. 2. Long lasting training Compact and lightweight for easy carrying, with up to 60 days of standby time. Designed for intuitive use, making outdoor training convenient. 3. Behavioral aid and practical companion With a single push, it emits ultrasonic waves and a bright LED deterrent to help deter barking and correct behavior. It also functions as an LED flashlight to illuminate your path at home and during safe walks. 4. Safe surroundings indoors and outdoors From quiet walks to more active environments, this device helps safeguard your family by reducing barking and promoting a calmer environment in both indoor and outdoor settings. 5. Practical use scenarios - Nighttime or low light walks where distance and deterrence are needed - Indoor training and hallway use to curb nuisance barking - Outdoor parks, trails, or camping trips to manage dog encounters and support safe interactions