This kit is perfect for do it yourselfers and professionals. Fill bait cap then pour the fluorescent powder in the tube, mount the trailblazer to some wood or a fixed wooden stake. Leave the trailblazer for a few days, then go back with the UV light and follow the powder to the entry points and seal the holes. Use the mice to find all the holes. then set traps inside to trap the possibly sealed in mice. Clean up droppings to evaluate activity and continue trapping until droppings have stopped. Periodically place the trailblazer outside to check for new entry points. This contains no poisons. This is a rodent tracking device.