The Triplett RHDL30 USB PDF Datalogger records 24,000 readings each for Temperature and Humidity. You can download data in PDF format with graph or Excel (.csv) spreadsheet. The RHDL30 features 6 languages (English, German, French, Italian, Spanish, and Portuguese) with user programmable high/low alarms as well as programmable start and alarm delays. Min/Max recalls the highest and lowest recorded readings and you can mark up to 8 events for easy recall. Recorded data can be securely password protected. Includes (2) CR2032 batteries and cover with built-in stand.