The Neocid Expert fruit fly trap attracts fruit flies with a pheromone that sticks to glue. The fruit fly trap is 100% poison-free and therefore a safe product for the whole family.The trap is easy to set up on a flat surface. The fruit flies are trapped in the flower as soon as they have settled on the adhesive surface. Ideally, place the trap in a bright place, near a window, 1-2 m above the ground. Use indoors only. Effective for 2 weeks.