Instead, ultrasonic pest repellers produce electromagnetic and ... This device is designed for large rooms but is also safe for cats and dogs. It varies in volume and frequency, ensuring pests ...

The outdoor ultrasonic dog repellent is equipped with a solar panel and USB charging on the top, so don’t need to worry about the ultrasonic cat repellent needing a power outlet or changing ...

🦟Effective Ultrasonic Pest Repellent - this insect mosquito repellent is based on physical principles, using electronic simulation technology to achieve the effect of repelling ticks ...