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, Visual Alert Type Digital, Display Type Digital, Detection Concentration – Minimum 0 ppm, Response Time 45 sec, Measures Temperature Not Temperature Measuring, Operating Temperature – Minimum -4 Degrees F