Gas Transmitter, For Use With Building Management Controllers, Gas Detected Carbon Monoxide, Standards CE Compliant, RoHS Compliant, Includes Factory Calibration Certificate, Product Type Detector Transmitter, Mounting Location Wall, Sensor Type Electrochemical, Display Type None, Detection Concentration – Minimum 0 ppm, Detection Concentration – Maximum 500 ppm, Response Time 45 sec, Measures Temperature Not Temperature Measuring, Operating Temperature – Minimum -4 Degrees F