Fixed Gas Detector For Use With Fire and Security Systems Gas Detected Combustible Gas Standards UL Listed Includes Manual Product Type Fixed Gas Detector Mounting Location Flush Number of Relays 2 Visual Alert Type Green LED Red LED Operating Temperature - Minimum 32 Degrees F Operating Temperature - Maximum 120 Degrees F Number of Gases Detected 1 Coverage Area 900 sq ft Power Source Wire Harness Features N.C. Trouble/Supervisory Relay N.O. or N.C. Alarm Relay