LAKWAR Dog Bark Deterrent，Ultrasonic Bark Control Device for Dog Training and Bark Control，3 Frequency 16.4 Ft Control Range Rechargeable Dog Barking Deterrent Devices with Dog Whistle

Product details Specification:Material:ABSColor:BalckRechargeable:YesFrequency:3 typesPackage Includes:1 x barking deterrent device1 x dog whistle1 x wrist strap1 x user manual1 x USB charging cable 【Dog Bark Control and Training】The dog barking deterrent device is safe and effective for bark control and dog training.This dog barking control device emits ultrasonic waves at a frequency of 22-25khz. This frequency is difficult to affect humans, but it is easy to attract the dog's attention and make him feel uncomfortable to prevent the dog from barking, digging, fighting and other bad behaviors. 【3 Different Frequency】The dog barking deterrent can emit 3 different frequencies of sound waves, which is stable frequency, undulating frequency and irregular frequency sound waves. You can choose the different sound waves to avoid the dogs becoming accustomed to simple frequency and reduce the control and training effect. 【Perfect for Outdoor Use】The control range of the dog bar