Compatible with ENVIROMUX-2D/5D/16D Enterprise Environment Monitoring Systems, ENVIROMUX-STHS-LCD can be used to detect and view real-time temperature and non-condensing relative humidity values from -4 to 140°F and 0–90%. Wall-mountable sensor has temperature accuracy of ±0.72°F for 14–140°F and ±0.90°F for -4 to 14°F. Humidity accuracy is ±3% at 0–80% RH and ±4% at 80–90% RH. Using touch-sensitive Mode button on LCD, personnel can alternate between temperature and humidity readings.