Anti Barking Device, SYOSI Upgraded, with 4 Adjustable Sensitivity and Frequency Levels, Easy to Use Automatic Ultrasonic Dog Mini Control Devices for almost Dogs (Black)

• ღ【NEW UPGRADED】Built-in pickup can detect dog's barking, and the device will automatically emit ultrasonic waves that the dog can hear, let your dog stop barking. After the dog stops barking, the device automatically stops emitting ultrasonic waves. • ღ【HIGH QUALITY TEXTURE】The barking control device shell UV resistance, not easy to fade. Can be hung on trees, or fences to stop dog barking (It can automatically detect bark within 10m). And the shell is IP4 waterproof grade. • ღ【SAFE SILENT POLLUTION】The mini device uses ultrasonic technology that allows humans to hear a slight sound but is not affected by the sound. When the sound starts, the dog will notice the sound but not suffer substantial penalties. • ღ【WIDE RANGE OF APPLICATION】The device has 4 frequencies to choose, each dog could choose the suitable frequency (15KHZ-30KHZ), and if the dog was not sensitive to this by using for a long time, please change the different frequency better. • ღ【SENSITIVITY ADJUSTMENT】Our barking control devices ultrasonic has a choice of 4 sensitivities. According to the use of the environment can be set up the best suitable gear. Level 1 is the least sensitive and level 4 is the most sensitive.