Humidity/Temp Transducer Temp Range -40 to 140 Degrees F Relative Humidity Range 0 to 100 Percent Power Required 10 to 35VDC Response Time 15 sec. Mounting Wall Output 4 to 20mA Temp Accuracy +/-0.4 Degrees F @ 77 Degrees F Humidity Accuracy +/-2 Percent Display LCD Sensor Type RTD or Thermistor Electrical Connections Terminal Board Standards CE Calibration Certificate NIST Includes Instructions Manufacturers Warranty Length 1 yr.