1.electronic bug repeller 2.slight and portable 3.effect in 120 square meters 4.healthy care and service 2011 Newest Home care&electronic bug repellerProduct Features:this machine will have great effect in 50-80 square meters in the room. this machine can lustrate hourse mouse, nlack beetle, mosquito, flea, fly, crichet, ant, wood ant etc. vermin. the eltrasonic that send out from this machine is ...