Amprobe TR300 Temperature and RH Data Logger is designed to monitor indoor air quality in one compact size unit. This Temperature and RH Data Logger has capacity to store 16,000 readings and ships with the unique Amprobe Download Suite software that can set up these parameters for recording: Sample interval timing, Start/ Stop, Dare and Time, HI/LO Alarm threshold, Unit Selection and number of Memory points. Download Suite software works with all Amprobe devices and stores the data from the TR300 for further analysis.