Amprobe TR300 Temperature and Relative Humidity Data Logger Temperature, dew point, and relative humidity (RH) meter with datalogging capability, and is used for HVAC, indoor air quality, and environmental applications Dual-scale thermometer measures temperature and dew point in F and C Datalogging capability saves up to 16,000 data points, and USB port with software (included) exports data User-defined visible LED and audible alarm limits, and LCD simultaneously displays temperature, humidity, and date Wall mountable, self-standing, and tripod mount