Double Recording Mode Measure and Record Temperature and Relative Humidity(%RH). High Memory Space for long-term monitoring Datalogging up to 50,000 records. Fast USB downloading speed Long-term recording (from 1 week to 1 year) Flexible recording interval from 10s to 24hours Powerful Graphical/Microsoft Excel Data Export functions Internal LED alarm Hook holder included Included USB cable/Software worth USD200 All inner electronics and sensors are made in Germany Worldwide-Acceptance Since 2005 User-friendly Windows PC software included Easy- to-Use PC software for parameter settings and data analysis. Water-Splash Proof with IP 65 Approval Guaranteed 100 times easier to operate than most other brands in the market Example: Press ‘Start’ to start recording. Press again to stop.