7in 1functions, High frequency pulse wave, Electromagnetic pluse wave, Infrared, Testing, Nightligh-Sensor nightlight Pest repeller MODEL: GX-010Products Discription: 1)Can repel mice, ants, mosquitoes, flies, cockroaches and so on;2)7 functions inside;1.High frequency pulse wave- Double automatic swept phases.there is no any immunity and adjustability:U.M.I-1 : 60-120KHz automatic swept:U.M.I-2: ...