All out machine is used as mosquitoes and flies repellent fragnance based liquid. I brought it after seeing the advertisement. But as per the advertisement, it never worked properly. All the mosquitoes and flies remains in the room even after using power mode. It gets finished very early and never worked according to it. All the mosquitoes flies around it and never die or gets out from the room. All out should enhance their chemical property. Its fragnance is although good but when used in power mode its smell gets very much hard.