Amprobe TR300 Digital Display Temperature and RH Data Logger monitors indoor air quality in one small-sized unit. Amprobe TR300 Digital Display Temperature and RH Data Logger stores up to 16,000 readings and includes the unique Amprobe Download Suite software that will set up the following 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 is compatible with all Amprobe devices and stores the data from the TR300 for further analysis.