Feature 1ULTRASONIC TECHNOLOGY: Anti barking device adopts ultrasonic technology, it will produce super strong ultrasonic waves to repel dogs. 2DOUBLE SPEAKERS: Dog barking control device adopts double speaker design, the ultrasonic waves are stronger and the dispersal force is stronger. 3LASER DESIGN: Dog barking deterrent device adopts laser design, the laser rays stimulate the dog's eyes and scare away the dog. 4MULTI SCENE APPLICATION: Dog barking deterrent can scare away vicious dogs, stop close, and also train dogs to stop barking. 5COMPACT DESIGN: Dog bark stopper is small in size and light in weight, does not take up much space, suitable for carrying and using.SpecificationItem Type: Dog Barking Control DeviceMaterial: ABS .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x DogBarkingControlDevice