Built-in pickup to detect dog barking. 15 / 20KHz frequency is most commonly used for dog barking. To turn device ON press the“POWER” button down for 3 seconds and it will beep once with the digital display flashing a green number which will then disappear.
eBay
Solar Ultrasonic Rat Repellent Cat Repellent Ultrasonic Outdoor Long-lasting Anti-cat Meowing Solar Electronic Repeller ABS
Aliexpress UK
Used to prevent dog attacks, issue ultrasound to repel the dog or wild wolf. This product adopts double channel enhanced, double dog training, excitation drive dogs, liting function is one of the super ultrasonic.
eBay
Solar Ultrasonic Animal Repeller Waterproof Sound Scares Repels Pigeon Bird Ultrasonic Animal Repellent Outdoor Solar Powered
Aliexpress UK
Solar Ultrasonic Animal Repeller Infrared Cats Repellent Outdoor Waterproof Rats Scarer with LED Flashing Light Repel Dogs Birds. Widely Application : The solar ultrasonic repeller with good effect on repel animals, such as for Dogs, Cats, Wild Boars, Mouse, Birds, Rabbits, Gophers, Voles, Moles, Chipmunks, Racoons, Squirrels, Stray dogs, stray cat, etc.
eBay
Xiaomi M1 M2 Ultrasonic Mosquitoes Repeller Bracelet New Summer Outdoor Anti Mosquitoes Bite Wristband With Time Display Watch
Aliexpress UK
Indoor and outdoor & easy to use. -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.
eBay
Outdoor Ultrasonic Animal Repeller Cat Squirrel Repellent Solar Rat Bird Defender IP44 Waterproof Garden Plant Protective Tool
Aliexpress UK
1 x Bark Arrester. Item Type: Bark Deterrents. Training supplies: It can be used as a tool to train your pet and improve the bad behavior of dogs. Portable: It can be used as a portable tool to drive away dogs when they are mad outdoors, so as to protect their own safety.
eBay
Ultrasonic Pest Repeller, Electronic Ai Dual-Sonic Mouse Repellent, Indoor & Outdoor，for Mice, Mosquitoes, Cockroach, Moths
Aliexpress UK
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. 30-foot range for effective bark prevention.
eBay
Effective Solar Panel Battery Dual Powered Animals Repeller Dog Bird Repeller LED Light Flashing Repellent Deterrent Device
Aliexpress UK
Solar Animal Repeller, Waterproof Solar PIR Sensor Pest Repeller, Ultrasonic Electronic Pest Animal Repeller. 1 x Solar Mole Repeller. ☞ Simple to use. It can be mounted in the ground with the provided spikes, or hang on the wall under direct sunshine via the back slot.
eBay
1pc Ultrasound Animal Repeller Solar Energy Cats And Dogs Repeller Rechargeable Garden FarmYard Waterproof Creature Deterrent
Aliexpress UK
1~4PCS Rat Reaper Death Box - The Ultimate Rat Killer | Instant Kill Rat Trap 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.
eBay
Ultrasonic Insect Repellent, Electronic, Anti Mosquito, Spider Pest Repeller Control, Cockroach Killer, Dropshipping
Aliexpress UK