How to use efficiently:
1. Turn off other lightings while using, could attract the mosquitoes better;
2. Please place the device in the centre of the room on a table, better than put on the floor
because the mosquito fly at a certain height;
3. Turn on the device for a few hours before you go sleep, and avoid human existence in
the same room while device is working, of course you are more attractive than the lamps;
4. Please don't put the device beside the windows so that the fan could work better.