1. Aosion 360 Degree electronic ultrasonic pest repeller is effective in controlling mice, rats, roaches fleas, flies, crickets, silverfish, water bugs, moths, ants and most other common pests. 2. Laboratory research has shown ultrasonic sound waves attack the auditory and nervous systems of most common pests causing them pain and discomfort. With 140 decibels of sound pressure, pests will give up their source of food, water and shelter and move on. These high-intensity sound waves are out of the range of hearing of humans and most household pets such as dogs, cats, fishes, birds, and farm animals. 3. These high-intensity sound waves are out of the range of hearing of humans and most household pets such as dogs, cats, fishes, birds, and farm animals. Power Supply: 105-120V AC 60 cycles, 220-240v AC, 50 cycle Consumption: 2 Frequency Range: 20000-45000H Effective Range: 2500-4000sq.fee Warranty: 2 Year Kye Words: Ultrasonic Rodent Repelle Dimensions: 75.25 (dia.) x 12 Weight: 340 Output Sound Pressure: 120dB / per speake Coverage: effective coverage can be 2500- 4000 sq. APPLICATION: Living room, Bedroom, Kitchen, Storeroom, Warehouse...