Outdoor Ultrasonic Pet Stop Barking Device anti Barking Device Bark Control Device Mini Safety No Barking for Dog

Description: Ultrasonic pet bark stoppers are safe and effective, and are suitable for dogs of all breeds and sizes. Features: Working principle: When the product's microphone detects a dog barking, the product will automatically emit a high-pitched ultrasonic wave. This ultrasonic wave cannot be heard by human ears but the dog can hear it. It is noise for the dog, so the dog will stop barking. Design: The appearance is designed like an alarm clock, which can be conveniently hung on a tree, anywhere in the house or in your yard. It can be hung, placed on a table or other places at will. Uses: The product can prevent dogs from barking excessively and reduce the impact on you and your neighbors. Matters needing attention: Ultrasound only allows the dog to hear what makes him uncomfortable, and there is no substantial punishment. Test file: used to test whether the microphone and ultrasonic speaker are working properly. Specifications: Size: 8*4.4*5.4cm (L*W*H) Material