1.The design looks like an alarm clock, and the luxurious outdoor bark device can be hung from a tree, in a house or yard, on a table or anywhere else. 2. Cute design, easy to use: durable and waterproof, ideal for outdoor use, easy to hang on a tree, wall or fence post, etc. 3.When the alarm clock of the outdoor anti-bark device detects excessive barking, the microphone detects barking and activates the parts. 4. Dogs will learn to stop barking and any other unwanted behavior by associating disobedience with harmless sound bombardment. 5. The product will make a sharp and safe sound, which can be heard by dogs, but not by people. Dogs stimulated by sound will stop barking.