Electronic pest Repeller 1.Voltage:AC110~240V 2.Ultrasonic wave(20-50KHz) 3.Repell pests,fly,mosquitoes,bugs 4.home,office Electronic Pest ... Repeller Model EPR-07Effective area: 50 square metersRated Voltage: AC110~240V ... .4.Suitable for use in homes, offices, restaurants, warehouses etc. Electronic pest Repeller