🍦【Safe and Effective Anti Barking Device】The dog bark deterrent device uses ultrasound technology to stop the dog from barking without hurting it. This ultrasound design is specially customized for dogs and has no effect on humans and other animals, but the dog will feel annoyed and stop barking, so you don't have to worry about its safety. 🍦【3 Adjustable Modes and 33FT Work Range】The anti barking device for dogs has 3 optional frequency modes. You can choose the mode that work for your dog's. The max control range of the dog barking silencer is 33 feet, whether it is outdoors or indoors, and it can effectively stop the dog from barking. It can also stop the neighbor's dog from barking, helping you create a comfortable and quiet environment. 🍦【Durable and Weatherproof Barking Dog Deterrent】Our dog anti barking device is durable. Designed with high-quality materials and an IP45 waterproof shell, it is sturdy and durable, and can work normally in bad weather such as wind, rain, snow, etc., so you don't need to worry about the impact of weather factors. The bark deterrent device for dogs is small and convenient and can be safely used indoors, outdoors, or anywhere else.