Testifire is a multi-stimulus detector tester designed to support testing of smoke, heat, and CO detectors. The Testifire 2001 can be used on both single-sensor and multi-sensor detectors, allowing multiple test types to be completed with one device. Developed to provide a consistent and controlled testing process, Testifire helps simplify detector testing across a wide range of applications. It is UL certified and approved by leading detector manufacturers worldwide.