Product Name: Ultrasonic Insect Repellent Product model: A09 Product specifications: American regulations, British regulations, European regulations Applicable voltage: AC90-250V Frequency: 25~74khz 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 electromagnetic wave and variable frequency ultrasonic dual-wave technology, and the two waves work at the same time, which brings stronger effect and efficiency. Double broadband speakers are used to greatly increase the effect and effective range. Touch switch, independent night light function. Non-toxic, tasteless, no noise, environmental protection and no radiation, suitable for pregnant women and children