Product Name: Ultrasonic Insect Repellent Product model: 806 Product specifications: American regulations, British regulations, European regulations Applicable voltage: AC90-250V Frequency: 20~65khz 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. Using variable frequency ultrasonic technology, free frequency scanning can be used without manual switching. It can target a variety of pests, and uses special ultrasonic speakers to greatly improve the driving effect and effective range of action, and it is noise-free, and you can enjoy high-quality sleep at night. Non-toxic, tasteless, environmentally friendly, non-radiation, suitable for pregnant women and children