Presentation of goodzaz ultrasonic anti-bark, outdoor dog repellent, anti-bark training device for... - Generic repellent Manufacturer: Generic About this product: Anti Barking For Dogs Automatic The device intelligently captures the barking of dogs up to 15 meters away, and automatically emits an ultrasonic sound that distracts your dog to stop unwanted barking, allowing you to enjoy a moment of peace and silence. Dog Bark Stopper Ultrasonic frequencies are harmless to pets and completely inaudible to the human ear. If the dog is hard of hearing or aggressive, the device may not work as intended. It is not recommended to use a device against two or more barking dogs at the same time. 3 Levels of Operation Adjustable frequency dog bark deterrent device is suitable for different dogs. 15KHZ-30KHZ is suitable for big naughty dogs. 20KHZ Suitable for gentle dogs. 30KHZ Suitable for small dogs. It is recommended for dogs aged 6 months to 8 years. USB Rechargeable The ultrasonic dog repeller integrates a rechargeable lithium battery, the device can work continuously for 30 days after fully charged in 5 hours. Red/blue color indicates battery status. Easy And Waterproof Installation The anti-bark device for dogs can be hung on a tree, wall or fence to prevent your own dog or that of your neighbors from barking. Make sure the bark controller is facing toward the dog within reach without any obstructions. Product Description Operation Instruction - Power on: Set the button to level 1, level 2 or level 3. Blue light flashing means the device has been powered on. - Standby: Blue light flashes every 6 seconds. - Starts working: Red light stays on for 3 seconds. - Low power: The red light starts flashing. This means the device needs to be charged or it will stop working. Keep in mind - The maximum detection range is 10 meters, the bark stop device will not be triggered by the dog's barking if it is out of this range. - The anti-bark device will not work for hearing impaired dogs or aggressive dogs. - It is recommended for dogs aged 6 months to 8 years. - It is not recommended to use a single device against two or more barking dogs at the same time. - Make sure the bark controller is facing the dog within unobstructed range. - It is not recommended to use the same ultrasound frequency on the same dog for 10 days or more. The dog may have resistance to the same frequency. Please change the frequency every 7-10 days. Package Included - 1 x Bark Control Device. - 1 x USB Charging Cable. - 2 x Mounting Screws and Anchors. - 1 x English User Manual.