brand:Unbranded Description: The dog is our friend, but sometimes its barking is bothering us. Unexpected barking often disturbs neighbour. How do we let our dogs become more gentle? This is the New Humanely Ultrasonic Anti No Bark Control Device Stop Dog Barking Silencer Hanger. Can also be used to train dogs. It will sent out five seconds harsh ultrasonic wave to stop the barking. In generally, this product will trigger after more than three times barking. With this product, you will liberate from the annoyed barking, and will create a quite environment for you. Specification: Material: Plastic Color: as pictures shown Plug Type: EU Plug Voltage: 100-240V Size: Approx. 130x40x22mm / 5.12x1.57x0.87inch Package Includes: 1 Piece of Anti bark device 1 Piece of EU Plug Power Adapter 1 Piece of Mounted holder 1 Piece of Accessories set Note: The color may have difference as the difference display, pls understand. Please allow 1-3mm error due to hand test.