1. Fast Effective Behavior Correction: Designed to stop unwanted habits like barking, chewing, and chasing, this antibark device uses advanced ultrasonic technology to interrupt negative behavior patterns—promoting calmness and positive behavior in just minutes a day. 2. Dual Light Modes for Focused Training: Features two attentiongrabbing light settings—steady and fast flashing—to safely redirect your dog's focus. These light modes boost training success in distracting environments without causing fear or stress. 3. Quick Charge Long Battery Life: Powered by an 800mAh battery, this bark control device fully charges in just 1 hour. Use the ultrasonic whistle, 25 kHz frequency, flashlight, or strobe mode to modify behavior while strengthening your bond with your dog. 4. Three Training Modes: There are three adjustable modes targeting barking, digging, biting, or jumping. You can easily switch between modes to match your dog's behavior and training goals with gentle, effective results.