Description The dog training device is based on the theory of super strong white light above 130 decibels, which is higher than the upper limit of human hearing. Dog obedience training - built-in flashlight design, easy to use. Dog - Train your pet to be obedient. Can be used to help correct dog misbehavior such as inappropriate barking and other disobedience. Dogs - suitable for training all kinds of dogs, such as pet dogs, police dogs and shepherd dogs. Stop Dog Barking - Easy to hang or mount on a tree, wall or fence post to stop your own dog or your neighbor's dog from barking. Package includes: 1 * Barking Dog Device Note: 1. Please allow a little error due to manual measurement. Please make sure you don't mind before bidding. 2. The color may vary due to different monitors, please understand. Hello, please pay attention to your delivery address when purchasing products. If your delivery information (such as name, street, house number, doorbell/mailbox without name, etc.) is incorrect, the order will not be delivered correctly.)