General description The Ultrasonic Repeller is an effective pest control solution designed to repel mice, rats, mosquitoes, cockroaches, and other insects using advanced ultrasonic technology. It emits low-frequency sound waves ranging from 20-55KHz, which disrupts the neurological hearing of pests, keeping them away quickly and efficiently. This eco-friendly device is safe, odorless, and chemical-free, making it suitable for indoor use. Technical specifications Frequency range: 20-55KHz Coverage area: Approximately 80-120 sq.m. Power source: Plug-in Installation Plug the device into a regular power outlet. Install vertically at a height of 20-80cm above the ground. Usage The blue LED indicator will light up when the device is operational. Pests may start to disappear within 3-4 weeks of use.