General description The Waterproof Outdoor Ultrasonic Anti Bark Control System is designed to effectively stop excessive barking without the use of electric shock. Utilizing ultrasonic technology, this device emits a high-pitched sound that is inaudible to humans but can be heard by dogs, prompting them to cease barking. Technical specifications Working principle: Emits high-pitched ultrasonic waves when barking is detected Design: Birdhouse appearance, suitable for outdoor use Product features Prevents excessive barking from affecting you and your neighbors Effective for dogs of all breeds and sizes No receiving collar required Safe and humane training method Precautions Ultrasound is uncomfortable for dogs but does not constitute punishment Dogs may adapt to the sound over time For persistent barking issues, consider additional training methods