PROFESSIONAL INSECT KILLER - This bug zapper uses ultraviolet bulb and the strong suction mute fan that attracts all pesky flying insects into the fly zapper. The high-voltage grids will immediately electrocute mosquitoes upon contact by physical way. No longer exposed to chemicals radiation or odor. works well on flying insects such as mosquitoes gnats fruit flies bugs and so on.KILL MORE THAN MOSQUITOES - Plug into socket close the door and window turn off other lights this insect killer effective kills mosquitoes black flies and other small flying pests in the dark by providing a bug-free comfort zone. Insect killer can be used for various occasions which is ideal for a bedroom office study room kitchen nursery and any other place in which insects are needed to be killed.WITH LIGHT SENSOR MODE - The bug zapper is with the light sensor no need to worry about even if you forget to turn the mosquito zapper on/off the bug zapper will turn on automatically at night and turn off automatically in the daytime Please remember to turn off other lights and leave this electronic insect killer on in your room for whole night if you choose the light sensor mode. At night the LED UV light can achieve the best results ALSO suitable to be used as a night light.