Fixed Gas Detector, For Use With Building Automation Systems, Burglary Alarm Panels, Fire Alarm Panels, 36CF90, 48GT51, 48GT52, Gas Detected Hydrogen, Methane, Propane, Standards cETLus Certified, Includes Manual, Product Type Stand-Alone Detector & Controller or Transducer, Mounting Location Wall, Number of Relays 2, Sensor Type Catalytic, Visual Alert Type Green LED, Display Type Digital, Number of Gases Detected 3, Ties Into Building Automation Panels, Fire Alarm Panels