TRAP This is GREAT for the outside because it is so attractive to flies which remain outside, around and into the trap instead of being in your home. Since I had jai lai quune fly that is back into the house, I have turned off the light she left and I suppose what is with the others into the trap! We must place it in a warm place and light winds shelter; mine is exceptionally effective at 60cm from the ground despite the advice of the provided plug 45cm of the soil; This is not a trap for use inside as there was an unpleasant odor coming from the trap, which is why I advise you to put it away from your doors and windows and use places you outside, if this is so effective that you ladopter go for life! This is reusable, it means, order the "Woodstream Victor M383 Replacement Bait Fly Packages Magnet 3" when you order the trap you will not regret! Jhabite in the south of France with dogs, cats and chickens around me, and javais a problem every year flies Completion mid-November Completion now I'm rid of flies and reproduction, and even my neighbors have noticed a decrease these pests home, evidence that the trap is effective in a good area.