Product Name: Ultrasonic Insect Repellent Product model: 107 Product specifications: American regulations, British regulations, European regulations Applicable voltage: AC90-250V Frequency: 10~85khz Main function: This product uses ultrasonic waves to stimulate the neurons of the pests, and the principle of causing the pests to be uneasy achieves the effect of repelling mosquitoes, mice, cockroaches, bed bugs, fleas and other pests. It adopts high and low frequency dual-band ultrasonic technology, which can be switched freely. The low frequency band is mainly aimed at mice, so as to achieve better rodent repelling effect. The use of dual speakers greatly increases the effective range. The frequency conversion ultrasonic can be used to target a variety of pests. This product is non-toxic, tasteless, environmentally friendly, and non-radiation, and can be used by pregnant women and children.