Ultrasonic Bark Stopper Rechargeable Dog Behavior Correction Training Tool <p>ULTRASONIC & MORE: The 3-in-1 dog trainer uses cutting-edge technology to emit high-frequency sound waves (10 kHz to 30 kHz) that modulate your dog's behavior without being heard by humans. But that's not all! It also comes with a built-in flashlight for increased visibility, as well as a laser pointer to attract and entertain your furry friend.<br />- SAFE & PET-FRIENDLY: Your pet's safety is our top priority. The dog trainer is designed to be completely safe and humane, providing an effective behavior training solution without harming your beloved pet.<br />- LONG-LASTING PERFORMANCE: No need to worry about running out of power! This 3-in-1 dog trainer offers an excellent battery life of over 20 hours. It allows for extended use without frequent charging<br />- WIDE RANGE & PORTABLE: The device covers over 30 feet, making it perfect for indoor and outdoor use. The puppy trainer is compact and lightweight and fits easily in your pocket, making it a convenient, portable solution for training on the go. The 3-in-1 dog trainer brings tranquility and peace to your home</p>