Features: This Dog Bark Preventive Device effectively stops unwanted barking and bad behaviors with a simple press of a button, offering a kind alternative to aching shock collars. Utilizing advanced long ranges ultrasonic , this device safely captures your dogs attention without causing harm, ensuring a peaceful environment for both pets and owners. Ideal for dog owners, trainers, and even neighbor search a gentle way to manage barking, this device is suitable for anyone look to maintain in pet friendly environment . Perfect for use at homes , in this park , or during walks, this device provides a convenient solution for addressing disturbing behaviors without the need for yelling or physical intervention. Crafted from ABS material, this user friendly Preventive is designs to be portable and easy to operate, making it essential tool for maintaining a calm and quiet atmospheres around dogs. Specifications: Material: ABS Size: about 6x14cm/2.36x5.51inch Package Includes: 1xUltrasonic Dog Bark Preventive note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.