GreenWay Pantry Patrol Insect Trap should just be placed in areas of activity, no more than 2 at a time in the home, or 1 per floor if in a multi story home. You can place anyway at between 4-6 feet heights.
The GreenWay Pantry Patrol Insect Trap contains a lure that attracts the insect to the trap. It is great for Cigarette beetle, warehouse beetle, flour beetle, grain beetle, rice weevil and indianmeal moth.