Zigzagmars Barking Ultrasonic Deterrent Upgraded Dogs Review

🐶【Effective Dog Bark Control Device】Adopts 2020 upgraded tech, this automatic ultrasonic outdoor bark control deter your own dog or your neighbour's dog from barking. With 3 adjustable frequencies (0-9) and an auto variable frequency. More effective than old version deterrents. 🐶【Fit for Any sizes or breeds of Dogs】Zigzagmars barking control device automatically emits safe sonic sounds that dogs can hear clearly but not hurt dogs and humans'ear.Suitable for most breeds and sizes of dogs, except dogs with hearing problems or under 6 months. 🐶【Easy Installation & Waterproof】This New Bark Controller come with a well-designed mini shape. Designed for easy hanging/mounting on a tree, wall or fence post to stop any dogs barking. Ultrasonic anti-barking devices automatically detect barking from as far away as 50 feet. 🐶【Safe for Dogs and People】The ultrasound will not cause interference or harm to human, because human cannot hear these frequency bands, but dogs will be sensitive to these ultrasounds. Different dogs may be sensible to ultrasound of different frequency bands. Please test different frequency bands to obtain the best results. 🐶【100% Satisfaction Guarantee】Zigzagmars is committed to providing the perfect service to the customers. If you have any questions, please contact us. We will give you a satisfactory answer within 24 hours. We do not recommend it for use on dogs under 6 months and over 8 years old.