This ultrasonic pest repeller uses powerful sound wave technology operating at frequencies between 22kHz and 65kHz to effectively drive away common household pests including rodents, mosquitoes, cockroaches, ants, flies, and other unwanted visitors. The system works without chemicals, traps, or odors, providing a safe and non-toxic solution that is completely safe for children and pets while creating an unwelcoming environment for pests. Each compact device covers up to 1,292 square feet of barrier-free space, making it ideal for rooms throughout your home, kitchen, office, or warehouse. This 6-pack set allows you to protect multiple areas simultaneously for comprehensive whole-home coverage. Simply plug each unit into any standard electrical outlet for instant, maintenance-free operation with no buttons or controls needed. The repeller operates quietly and efficiently on 3 to 5 watts of power, running continuously to provide ongoing pest defense. This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm under Proposition 65.