COVID-19 Temperature Data Logger, w/Probe, LTI-HID Interface Cradle, Wall Mount Bracket. The TREL30-16 can store up to 15,900 temperature records – enough memory for 66 days at 6 minute logging. The display is designed to show "At A Glance" if temperature excursions have occurred during the current day and up to the previous 29 days. The display also shows the current temperature reading, the current time, recording status and battery status.