Generic Handheld Dog Repellent,Dog Repeller, Dog Training Devicedog Deterrenttraining Toolantibarking Device,Safe For Smallmediumlarge Dogs : Generic : Pet Supplies

Ultrasound Function–This product is mainly used for ultrasonic dog driving equipment in outdoor environments to prevent attacks by dogs. Based on the theory that ultrasound the dog trainer can effectively train your dogs to be obedient and stop some unwanted behaviors such as barking digging chewing and more.