Insect Repellent with Automatic/Manual Frequency Changing, Measures 8.1 x 6 x 11.1cm With automatic/manual frequency changing ultrasonic function, double ultrasonic generator, which can scan repeatedly from 20 to 60kHz Make insects uncomfortable and pain, so as to repel them out Equipped with 10Hz magnetic wave and 23 to 27kHz ultrasonic for reinforcing repellent effect of mouse With night light Mainly for repelling mouse’s, black beetles, mosquitoes, cooties Ultrasonic launching function: for emitting hi-frequency pulse ultrasonic wave and double-frequency automatic scanning to prevent insect from generating immunity and suitability Magnetic radiation function: radiate to surrounding space, at same time, through the transmission of electrical wires, generate magnetic wave around electrical wires and cause the extremely panic and physiological dis-function of mouse and other insects, reduce their breeding ability and make them flee away Ultra red ray: emitting violent ultra red ray to driving out mouse Unit measurement: 8.1 x 6 x 11.1cm Packing: blister card, 40 pieces/carton Inner box measurements: 8.5 x 7.0 x 11.7cm