The emitted ultrasound can not only stop barking and train dogs, but also drive away animals in the wild. Ultrasound cannot be heard by human ears and can be used safely. Flashlight + ultrasonic combo, convenient and practical.
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Working Principle: The ultrasonic dog repeller emits 25KHz waves (audible to dogs 15Hz-50KHz), which don't harm. but deter barking and aggressive dogs. 1 x Ultrasonic Dog Repeller. Safe & Humane: An alternative to shock collars, using ultrasonic technology for gentle, non-harmful correction.
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Features:-It emits safe sound waves (25-30KHz) to attract your dog's attention and prevent bad behavior.-The maximum applicable distance is 10m, and the optimal distance is 5m (ultrasonic waves cannot penetrate obstacles).-Built-in 800mAh rechargeable lithium-ion battery, can be used for up to 60 days per charge.-With low/medium/high frequency mode, this ultrasonic wave will not cause harm to dogs, but can effectively stop dogs from barking and aggressive behavior.-Equipped with two high-brightness LED lights, you can turn on the spotlight with one button, allowing you to walk safely and worry-free even in the dark.Specifications:Color: orangeController type: Button controlMaterial: plasticInput voltage/current: 5V/2A (DC)Working sound wave: 25kHz-30kHzS.
eBay
Working Principle : The ultrasonic dog repeller emits 25KHz waves (audible to dogs 15Hz-50KHz). 1 x Ultrasonic Dog Repeller. which don't harm but deter barking and aggressive dogs.Target Audience: Effective for large, fierce.
eBay
More effective than a barking collar: Do not let your dog suffer from the painful electric shock of a barking collar, and it will not be triggered incorrectly. The compact size can effortlessly fit in a pocket, making it an efficient assistant for both indoor and outdoor use.
eBay
Working Principle: The ultrasonic dog repeller emits 25KHz waves (audible to dogs 15Hz-50KHz), which don't harm. but deter barking and aggressive dogs. 1 x Ultrasonic Dog Repeller. Compact size for easy portability, one button operation can drive dogs with a 30-foot range for effective bark prevention.
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Anti Barking Device for Dog - Waterproof Ultrasonic Sonic Stop Dog Barking Deterrent Devices, Indoor and Outdoor Use anti Bark. 【Customizable Operation Modes】 Our stop barking dog device has adjustable ultrasonic levels, customizable for your dog's size and barking habits.
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1 x Ultrasonic Dog Repeller. Safe & Humane: An alternative to shock collars, using ultrasonic technology for gentle, non-harmful correction. Adjustable sound waves repel. Usage: Aim at the dog, press, and hold the ultrasonic button.
eBay