Product Name: Ultrasonic Insect Repellent Product model: 108 Product specifications: American regulations, British regulations, European regulations Applicable voltage: AC90-250V Frequency: 12~65khz 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. This product adopts the frequency conversion ultrasonic chip imported from the United States, which can target a variety of pests and is equipped with a display screen, which can detect and monitor frequency changes at any time. Equipped with a three-stage night light function, the brightness can be switched freely according to needs. And the night light uses orange light, which can better repel mosquitoes [Scientific research shows that mosquitoes do not like/fear orange light (Baidu can check)]. It is non-toxic, tasteless, environmentally friendly, and non-radiation, suitable for pregnant women and children.