What is a cotton roll used for?

Looking for a straightforward way to identify unknown substances safely and efficiently? This video demonstrates how advanced handheld detection technology works in real-world scenarios. You'll see how the device automatically calibrates without manual intervention, uses its built-in microscope to spot tiny suspicious particles, and intelligently assesses ignition risks to ensure operator safety. We'll walk through its extensive library of over 13,000 substances—including narcotics, explosives, and hazardous chemicals—and show how it penetrates various packaging materials for thorough inspection.