Ultrasonic Dog Bark Controller

🐕 4 Adjustable Ultrasonic ModesThis dog barking deterrent device features 4 frequency levels (15–30kHz) to suit different sensitivities in dogs. Simply rotate the knob to find the most effective frequency for your dog or your neighbor’s. Whether indoors or in a spacious outdoor area, this ultrasonic anti-bark device helps restore peace and quiet. 🐕 Safe & Hands-Free Bark ControlEquipped with a built-in microphone, the device detects barking within a 32-foot range and automatically emits an ultrasonic sound that only dogs can hear—gently training them to stop barking. Once the barking stops, the sound stops. No collars, no punishment, no hassle—just automatic and humane training. 🐕 Rechargeable & Weather-Resistant (IPX4)Fully charges via USB in just 2 hours and lasts up to 30 days on standby or 5–7 days of continuous use. Designed for indoor and outdoor use—whether mounted on a fence, dog house, table, or tree—this bark control device works reliably even in rain or snow. 🐕 Effec