... for man Repel mice,beetle,mosquito,flea,fly,cricke ultrasonic pest repeller factory Product DescriptionUseful area: 50-80 square metre Effect ... meters in the room. 2. This machine can lustrate house mouse, black beetle, mosquito, flea, fly, cricket, ant, wood ant ... we can call it electronic lustrate mouse machine, electronic helminthes machine etc. 3. The ultrasonic that sent out from this machine ...