Elitech RC-4HC USB Temperature and Humidity Data Logger 16000 Points Record Capacity (20 Pack)

* Wide Temperature Range: Internal and external temperature measuring ranges are -22℉~140 and -40℉~185℉. Max. accuracy reaches ±0.9 ℉(temperature); ±3%RH(humidity). * Audible and Visual Alarm: Supports up to 2 temperature and 2 humidity alarm thresholds along with buzzer alarm and screen indication alarm. * Powerful LCD Indication: Provides all key information for recordings incl. alarm status, temperatures statistics (in ℃/℉) and etc. * Please email/message us for the calibration certificate.: USB Cable Design: Comes with a USB cable, easy to connect to PC for exporting report in PDF or Excel formats. 24/7 US Technician Support via Email and Phone.