Three adjustable levels with a range up to 50 ft (including 15 ft and 50 ft settings). This dog barking deterrent device lets you test different ultrasonic frequency bands by turning the knob to find the most effective signal for your dog. If your dog barks too excitedly, place the device in the right spot to create a quieter resting environment. Key benefits - Customizable ultrasonic deterrence: three adjustable levels with up to 50 ft range to suit different dogs and settings - Humane and safe: the ultrasonic signal does not harm humans and is within the dog’s typical hearing range - Targeted attention command: designed to get the dog’s attention without harsh punishment How it works - Ultrasonic bark control emits a sound that is within the average hearing range of dogs but generally inaudible to people nearby - The device is designed so that neighbors and other family members are not affected - It provides a non-punitive way to reduce barking by redirecting the dog’s attention Usage guidance - Test and adjust the frequency bands using the knob to find the most effective setting for your dog - If your dog barks excessively, position the device appropriately to establish a calmer environment use scenarios - Indoor bark control: place near windows or entry points to reduce barking when visitors arrive or when the doorbell rings, helping maintain a peaceful living space - Yard or boundary barking: position at the edge of your yard or along a fence line to discourage nuisance barking from outside stimuli - Crate or kennel training: place near the dog’s resting area to minimize disruptive barking during rest times Safety and compatibility - Safe and friendly anti barking device for dogs - Ultrasonic signal is designed to minimize impact on humans and neighbors - It does not severely punish the dog and is intended to get the dog’s attention rather than cause harm Performance and practicality - Simple operation with a knob to test and select the appropriate frequency band - Range up to 50 ft with three adjustable levels to accommodate different environments and dog sensitivities - Keeps a calm, quiet environment without harsh methods, supporting a humane approach to barking management Note: Use as part of consistent training and placement that aligns with your dog’s behavior and home layout.