General description This advanced Ultrasonic Mosquito Repeller effectively repels mosquitoes, mice, spiders, cockroaches, and flies using ultrasonic technology. It stimulates the auditory system of these pests, making them uncomfortable and driving them away. Technical specifications Effective coverage area: 80-120 m² Installation height: 30 to 120 cm from the ground Installation Simply plug the ultrasonic mosquito repellent into an electrical outlet. Install it vertically for optimal performance. Usage Ideal for homes, offices, garages, attics, basements, warehouses, and greenhouses. Recommended to use at least one device per room for best results. Other information Eco-friendly and safe: Ultrasonic sound is harmless to humans and pets. No radiation, chemicals, odor, or noise involved. Quality assurance: Variable results typically seen in 3 to 4 weeks, depending on infestation extent.