The Killer can be used in bed-room, hall, hotel, office, chicken farm, stock farm
and any other places where needs killing mosquitoes.
The killer is designed with power saving, decorating, soft lights, so it should be
used in a place without strong lights, using the killer in bed-room without turning on any other
lights for 10-20 minutes, or put the killer in the darkness under a table while working studying
are all the good ways to use the killer.