Check the listing for details. Mini USB Humidity Temperature Data Logger RH TEMP Datalogger Recorder K2N8. Condition: New. Listed at 36.85 USD. Features:Simultaneously measure and automatically record temperature and humidity.Wide measuring : 0～RH, -40～105℃/-40～221℉ with ℃/℉ temperature units for selection.Can generate PDF and data export format directly. With a USB interface, can directly connect with PC.With software DGraph, you can set alarm limits, analyze and download the data.With dew point, heat index, Max/Min values, data hold, low indicator and backlight functions.When the data exceeds the setting limits, it will give an light alarm.Data logging of 80,000 data and download data via software. Recording and sampling interval of 0.5s.Widely used for the temperature measurement of warehouse management, logistics transportation, communication rooms, etc.Specifications:Color: White / Blue (Optional)Material: ABSTemperature Unit: ℃ / ℉Temperature : -40～105℃ / -40～221℉Temperature Resolution: 0.1℃ / 0.1℉Temperature Accuracy: ±1℃ / ±1℉Humidity : 0～100%Humidity Resolution: 0.1%RHHumidity Accuracy: ±3.0%Heat Index : 21.1～54.4℃ / 70～130℉Dew Point Temperature : -40～105℃ / -40～221℉Export Format: PDF & Data Storage Capacity: 80,000Sampling Interval : 0.5s Recording : 1 second ～ 24 hours(Adjustable)Connect Interface: USB 2.0: 2 * 1.5V AA (Not Included)Operation Temperature: -30～80℃ (-22～176℉)Operation Humidity: 0 to 90%RHStorage Temperature: 0～40℃ / 32～104℉Storage Humidity: 0 to 75%RHItem Size: Approx. 55 * 90 * 30mm / 2.2 * 3.5 * 1.2inItem Weight: Approx. 68g / 2.4oz (Without )Package Size: Approx. 15.5 * 11 * 6cm / 6.1 * 4.3 * 2.4inPackage Weight: Approx. 129g / 4.6oz