1. Effortless Bark Control Solution: Automatically emits frequency sound waves that are inaudible to humans but detectable by dogs, causing no harm while effectively reducing excessive barking. Safe and efficient, it creates a peaceful environment. 2. Enhanced Pet Training: Protect your pets and improve their training with this tech dog bark control device. Its dual ultrasonic power deters aggressive dogs in lowlight or nighttime conditions, while the flashing light enhances effectiveness. Portable and operable up to 25 meters away. 3. LongLasting Training: Enjoy hassle control over your dog's barking with our compact, lightweight device, offering up to 60 days of standby time. Designed for easy carrying and userfriendly operation, it's your outdoor training companion. 4. Behavioral Correction Aid: As an additional dog deterrent, our device emits ultrasonic waves and bright LED light, also functioning as an LED flashlight to guide you and correct your dog's misbehavior.