The UV light attracts flying Insects, bugs, fruit flies, ants, and Mosquitos to the surrounding. And then they will be stuck by the board without escape. Meanwhile, as an assistant to sleep, it can also be used as a night light. Under the double lure assurance with two different wavelengths of 365nm and 395 nm, the catch rate for mosquitoes and fruit flies has improved up to 80%. As the research shows, the insect with phototaxis is easy to interrupt by human odors. Please leave the room to gain a better effect after the trapper is running. strong Smart Night Light Modes strong With the help of two led beads, the machine runs smart mode or night mode. In smart mode, the device will detect the light to turn on or off automatically. It will constantly light up in night light mode until you turn it off manually.