Product Name: Ultrasonic Insect Repellent Product Model: 1928 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. The use of high and low frequency four-band ultrasonic frequency conversion technology, so as to target a variety of pests, and can be switched freely, and the dual speaker design greatly improves the effect and effective range. The low frequency band is mainly aimed at rats, so as to achieve a better effect of repelling rats. Non-toxic, tasteless, environmentally friendly, non-radiation, suitable for pregnant women and children