1. Ultrasonic deworming, avoiding the interference of flies, mosquitoes and harmful insects, is a good method for hygiene and chemical-free insect repellent. 2. This machine can be plug directly to AC 220V(or 110v) power socket.(Power range:Ac90V-250V,Frequency:50HZ-60HZ). 3. It s normal that the mouse and vermin will increase at the beginning of the using days, Because they will get away from their living place after the attack of the ultrasonic.

http://olla.gr/ac-90-250v-pest-control-insect-bugs-ultrasonic-mosquito-repellent-repeller-killer-long-eu-plug/