It is an effective dog training device for all dog types and sizes from 6 months to 8 years old. Two Modes: deterrent mode: emit a higher intensity ultrasonic sound while the flashlight flashes to drive the fierce dog away.
eBay
You can switch between shock mode and non-shock mode at will to train dogs more effectively.
eBay
Can be hung on a tree, indoor, or outdoor wall, or fence to prevent dog barking (within range). An ultrasonic anti-barking device can automatically detect dog barks 50 feet away. Bluetooth 5.3 Receiver Adapter Wireless 3.5mm AUX to 2 RCA USB Audio Adapter.
eBay
🐕【Portability & Ease of Use】 This ultrasonic dog barking deterrents is typically designed to be small, portable, and user-friendly, making them convenient to carry around and use on the go.
eBay
Effective Dog Repellent: Portable dog deterrent utilizes ultrasonics technology to effectively scare away aggressive dogs and prevents their barking, ensuring your safety. With its powerful penetration ability, the ultrasonics sound is inaudible to humans and harmlesss to both animals and people.
eBay
Safe, humane and effective dog repeller; Can works with most dogs, it emits piercing ultrasonic tone that dogs hate and make dogs away from people. -Eliminate excessive barking. Use ultrasonic sound to deter unwanted barking, more effective.
eBay
Deterrent Mode: Emits higher intensity ultrasonic waves while the flashlight blinks as a warning to prevent other dogs from approaching you. 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
ULTRASONIC: Barking deterrent from 15Hz to 120kHz. POWER INDICATOR: Dog barking deterrent device with low battery indicator, use the function button when the battery is low, the indicator will turn red.
eBay