About this hand-held barking prevention device: This is an ultrasonic barking deterrent device, which can effectively train your dog to obey and stop some unnecessary behaviors, such as barking, digging and chewing. It is a safe and effective dog barking prevention device. 3 modes to choose from: Chg mode:Prevent aggressive dogs from approaching you or your pet. Training mode: Train your dog to stop unnecessary/uncivilized behavior. Light mode: Can be used as a flashlight or distress signal if necessary. How to Use the Handheld Dog Repeater : 1. Always point your outstretched arm directly at a dog, cat or other animal about 6 feet away (the effective distance is about 33 feet). 2. Give a verbal command, and then immediately press the button for a second or two. 3. Repeat the first and second steps until your pet responds to your command. The kit includes: 1? ultrasonic peeling prevention device 1?user manual

?Tips?: This dog barking prevention device is not suitable for dogs with strong aggression, noisy environment, hearing loss and a large number, dogs under 6 months or dogs over 8 years old. However, some dogs may be afraid of or dislike the sound and will not stop barking at first, which is normal, so training is allowed for up to 2 weeks. ?Portable?:This barking control device is a hand-held barking prevention device, which is compact and portable, and can be easily carried anywhere. You can also take it with you when you go jogging, walking, riding a bike or going to the park. It fits in your pocket and can be held when needed. Come out and use it. ?100% safe?:Our bark prevention assistance sends out 25 kilohertz ultrasonic waves, which is harmless to pets. The ultrasonic bark stop will attract the dog's attention without hurting the dog, and finally learn to connect barking with ultrasound to form a conditioned reflex. The ultrasonic waves of the barking prevention device will not cause interference or harm to human beings, and human beings cannot hear these frequency bands. ?Ultrasonic design?: This dog training and barking control device uses two speakers with a range of up to 33 feet to deter unfriendly dogs. You can also use ultrasonic barking deterrence to train your dog. Hand-held dog-driven trainer uses ultrasonic technology. When applied, it will generate ultrasonic waves; The frequency of ultrasonic waves will stop your dog from barking. ?Multifunctional?: This barking device is a multifunctional barking device and a three-in-one barking control tool. This ultrasonic barking deterrent for dogs is used as a tool to train dogs to stop barking and effectively correct bad and unwelcome behaviors. It can also be used as a dog repeller to prevent aggressive dogs from approaching you or your dog, and it can also be used as a bright LED flashlight.