 Just like if you were spraying perfume for ants, you just go right across real slow and you just real slow across the bed as if you were like painting it or, you know, trying to get it wet. It produces thermal remediation for like 12 to 16 inches out there. It will kill the bed bugs within seven seconds. It's amazing. The eggs, too. And you'll see it working. And it's just you don't want to get too close.