Keep your home pest-free with this 12-piece ultrasonic pest reject system. Perfect for cockroaches, mice, rats, and mosquitoes, this electric device uses high-frequency sound waves to repel unwanted visitors from your home. With a range of up to 120 square meters per unit, you can rest assured that your home is safe from pests.

This ultrasonic pest repeller is easy to use and comes with a US plug for easy installation. It is also child and pet safe, making it ideal for use in any room. The device operates on 110-220V, 50-60Hz, and has a power supply of 110-220V, 50-60Hz. The ultrasonic frequency ranges from 22-65 KHz, making it an effective tool for pest control.