General description This ultrasonic insect repellent is designed to effectively deter mice, flies, bugs, spiders, and cockroaches using intelligent technology. It emits ultrasonic waves at varying frequencies (25 kHz – 65 kHz) that stimulate the nervous systems of these pests, making them uncomfortable and encouraging them to leave the area. The device features intermittent frequency changes to prevent pests from developing immunity or adapting to the sound. Technical specifications Frequency range: 25 kHz – 65 kHz Coverage area: up to 120 square meters Installation height: 20 to 80 cm above the floor Usage Install one unit in each room for optimal results. No batteries required, making it cost-effective and environmentally friendly. Other information Safe and environmentally friendly: Non-toxic, chemical-free, radiation-free, and low energy consumption. Quiet operation, safe for humans and pets. Eliminates the need for traps, poisons, and insecticides.