ultrasonic pest repeller factory Area:50-80 square metre,Flavorless,no harm for man Repel mice,beetle,mosquito,flea,fly,cricke ultrasonic ... pest repeller factory Product DescriptionUseful area: 50-80 square ... 2. This machine can lustrate house mouse, black beetle, mosquito, flea, fly, cricket, ant, wood ant etc vermin. So we can ...