DEFENT ONE: A groundbreaking evolution in fentanyl detection. Built around a secure, controlled testing chamber, it redefines accuracy, precision, and portability. Compact enough to fit in your pocket, it features a measured scoop and clean water reagent for near-zero error detection. Whether at home or on the go, DEFENT ONE is more than a device — it’s a life-saving breakthrough you can hold in your hand. Each Kit Includes: 1x DEFENT ONE Single-Use Device 1x Crush Bag • Quick Start Guide Note: The DEFENT ONE is a single-use device and is only intended to help inform about the potential presence of fentanyl. DEFENT ONE does not determine if the substance is safe to use. Please follow user instructions for the most accurate results. Manufactured in an ISO 13485 facility.