REASONS TO BUY: Ultrasonic garden repellent : the ultrasonic dog bark repellent device is designed to be used in and out of the dog's garden without causing any harm to the pet. Dog barking control devices: our ultrasonic dog barking device has a dual-sided anti-theft design, which can help you control the dog's bark and keep them safe. Ultrasound dog repellent: this ultrasonic dog repellent device can help to repel , cats, and other pets. it is also a good choice for pet owners who are allergic to animals. Fast charging speed: this dog repeller is equipped with a power cord, which can be easily and operated by one button. Good gifts: It is a good gift for dog lovers, pet owners, friends and family. the for christmas, thanksgiving, halloween, new year, etc. Material: plastic colour: black Package Contents: 1 x Pet Dog Bark Stop 1 x charging cable 1 x English manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.