Designed to look like a panda, the Deluxe Outdoor Ultrasonic Bark Stop can be hung from a tree, anywhere in the house or in your yard, it can be hung, placed on a table at will or anywhere else. When the Deluxe Outdoor Ultrasonic Stop Barker Panda detects excessive barking, the microphone will sense the bark and activate the component. The product will then emit a safe, high-pitched ultrasonic sound that the dog can hear, but not the human. The dog will be stimulated by the sound and will stop barking. The dog will stop barking because the ultrasound will make the dog feel uncomfortable. Excessive barking can be a problem for you and your neighbors. The Outdoor Ultrasonic Bark Stop is effective in stopping dogs from barking and does not require a receiver collar. Safe and effective for all breeds and sizes of dogs.Double-headed ultrasonic bark stopper Repeller Anti-noise nuisance Anti-dog barking dog trainer Rechargeable modelProduct Features;1, cartoon miniature appearance.2, built-in lithium battery: 1500mAh rechargeable models3, the product has 3 frequency band selection, for different pets or animal categories and sizes to choose.4, the product shell anti-UV, the shell is not easy to fade.5, IP4 waterproof level