Bug zappers use a UV light and an electrified grid to attract insects, which, once trapped, get hit with a high-voltage fatal shock. The bugs then fall into a collection tray for quick disposal.

Most bug zapper lights I've seen looked like they were a near-UV-color fluorescent light. Note that lights don't attract mosquitoes very well.

But not all bug zappers are created equal. You want to consider the size of your space, whether you're using it inside or out, and if you want to target a particular type of pest.

Bug zappers use LED or UV lights to lure insects between two metal grids that then electrocute and kill them. They’re most effective when used outside at night, but smaller ones can be used ...

Indoor bug zappers offer a convenient (and sometimes hands-free) way to eliminate flying pests like mosquitoes, gnats, and ...