ClockAnti Barking Devices - 30FT Effective Range, 3 Adjustable Modes

Our MALOK sonic anti bark device can be easily hung on garden fence, a tree, table, or dog house, very convenient to use on your or your neighbor's barking dog. The anti-barking device has a built-in 800 mAh rechargeable battery, which can be charged for 5 hours and can be used for 30 days, simple to operate and easy to use, it's a friendly anti dog barking device for your furry friend (please charge the device before use).
Our dog bark deterrent device has three adjustable modes, you can choose the one that is suitable for your dog according to your dog's specific situation. Mode 1 (20khz): suitable for small dogs, mode 2 ( 30khz): suitable for docile dogs, mode 3 (40khz):more suitable for large dogs or active dogs. Of course you can always switch to a mode that works better for your dog.