It has an impressive 50 foot ultrasonic effective range and three effective frequency settings (15KHZ, 20KHZ, 30KHZ), which can stop barking from the source whether you use it indoors or in the yard.
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1000m Electric Dog Training Collar Remote Control Anti Bark Dog Collar Rechargeable Waterproof Shocker Electric Vibrador Sound
Aliexpress UK
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: .
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12pcs Rubber Tips Dog Shock Collar Accessories Replaceable Conductive Silicone Covers Fits Shock or Anti Bark Training Collars
Aliexpress UK
Training Mode: Emits lower intensity ultrasonic waves to assist in daily dog training such as stopping excessive barking, fighting, biting and correcting other unwanted behaviors. Indoor and outdoor & easy to use.
eBay
Camouflage Automatic Anti Barking Dog Collar, Bark Stopper, Stop Barkin，Electric Training Collar for Dog electric collar
Aliexpress UK
3 training modes & 2 ultrasonic strength.
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Anti-Bark Dog Training Collar Stop Barking Vibration Dog Collar Rechargeable No Shock Collar for Dog Accessories Electric Collar
Aliexpress UK
The ultrasonic dog repeller is a humane pet training tool designed to stop barking. The unit emits an ultrasonic frequency that is inaudible to humans but disturbing to dogs, effectively discouraging excessive barking.
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Electric Dog Training Collar Detachable Bark Rechargeable Anti Barking Shock Vibration Collar for All Dogs Pet with Clicker
Aliexpress UK
Features:-It features three ultrasonic frequencies (fixed 25kHz, variable 20-30kHz and random 15-30kHz), a buzzer mode (three levels), and a flashlight mode (two modes), which can be used alternately for optimal results.-Equipped with a high-definition color screen, clearly displaying modes and battery status, it allows for quick and intuitive training adjustments. -Equipped with three high-power ultrasonic transmitters, it can prevent various interferences, has a wider coverage area, and is more effective. Suitable for 97% of dogs of different sizes aged 6 months to 8 years.-Perfect for home use, walks, and more, allowing you to flexibly control your dog in any environment and effectively correct barking, jumping, and other undesirable behaviors.-It f.
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Smart Automatic Anti Barking Dog Collar Type-C Rechargeable Shock Vibration Stop Bark Collar Dog Training Collar All Size Dogs
Aliexpress UK
【Ultrasonic Dog Barking Stopper】 With a push of this handy device, you can utilize ultrasonic technology to quieten your pup. This hand-held dog drive trainer emits ultrasonic waves that effectively stop your dog's barking.
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Dog Training Collar Automatic Anti Bark Dog Collar Type-C Rechargeable Dog Trainer Electric Shock Vibration Buzzer Waterproof
Aliexpress UK
Ultrasonic Dog Repeller Anti Bark Device Stop Barking Humane Pet Training Tool. Working Principle : The ultrasonic dog repeller emits 25KHz waves (audible to dogs 15Hz-50KHz). 1 x Ultrasonic Dog Repeller.
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1000M Remote Pet Dog Training Collar IP67 Waterproof Shock Vibration Rechargeable Collar Pet Trainer Anti Bark Stop For 2 Dogs
Aliexpress UK