General description This ultrasonic insect repellent is designed to effectively deter mice, mosquitoes, and various pests using intelligent technology. It emits ultrasonic waves at frequencies ranging from 25 kHz to 65 kHz, which stimulate the nervous systems of insects and rodents, making them uncomfortable and prompting them to flee. The device covers a large effective area of up to 120 square meters and operates silently, ensuring a pest-free environment without disturbing humans or pets. Technical specifications Frequency range: 25 kHz – 65 kHz Effective coverage area: up to 120 square meters Installation Install the device vertically at a height of 20 to 80 cm above the floor. For optimal results, place one unit in each room. Usage Simply plug the device into a power outlet to activate. Note that the response time for pest deterrence may vary by environment, typically taking 2-6 weeks. Other information Safe and environmentally friendly: Non-toxic, chemical-free, and