FIRElink-400 - Hochiki Air Sampling Smoke DetectorModel FIRElink 400 is designed to provide very high sensitivity smoke detection using an aspirating technique. A unique sensing technology ensures that the detector operates at optimum sensitivity for the protected environment, without the need for complex setup. The detector is available in three formats, the standard detector (FIRElink 400), the standard detector plus Command Module (FIRElink 400CM) and a standalone Command Module (FIRElink CM). The