The low cost Temperature Data Logger records temperature exposure from -40°C to 85°C (-40°F to 185°F) with ±5°C (±1°F) accuracy. Single point offset calibration for this damage indicator is available through Windows® software (sold separately), which is password protected for data security. The Temperature Data Logger can record up to 43,344 time- and date-stamped readings in increments from 1 second to 18 hours. This detection device features high and low temperature alarms with visual indication on demand and PC, delated start or pushbutton recording control. Applications for the Temperature Data Logger include refrigerated foods, blood, pharmaceuticals, vaccines, chemicals and clinical specimens. 3V lithium battery included.