The 42265 is a Temperature Datalogger Kit with PC Interface. This Waterproof (IP65) datalogging kit records up to 8000 readings with a date/time stamp that can be downloaded to your PC for analysis. Temperature can be viewed on the datalogger's display. Data and additional dataloggers (42260) can be programmed from one docking station. Wide operating temperature range from -40 to 185°F (-40 to 85°C). Programmable sampling rate from 1sec to 2hrs plus Hi/Lo limits with alarm indication. Comes complete with docking station, software, and one 42260 datalogger with Li-Ion battery.