Unfortunately I had to test this product, since I had been introduced with the purchase of goji berries and food moths. I have all the foods that were not stored in sealable containers discarded + washed cabinets. But still appeared centers. Then I ordered this means, put it, as described, on a chair in the middle of the kitchen, pressed the button. I left the room for a few hours and when I returned, I aired and cleaned.
That is now 4 weeks. After a week still came one moth to light, then no thanks and that means I'm going on she came.