Fixed Gas Detector For Use With Fire and Security Systems Gas Detected Combustible Gas Standards UL 1484 Includes (2) Mounting Screws Manual Mid-plate Rear Housing Product Type Fixed Gas Detector Mounting Location Flush Number of Relays 2 Visual Alert Type Amber LED Green LED Red LED Operating Temperature - Minimum 40 Degrees F Operating Temperature - Maximum 100 Degrees F Number of Gases Detected 1 Coverage Area 900 sq ft Power Source Wire Harness