Item Type: Temperature Humidity Data Logger Material: ABS Weight: Approx. 122g/4.3oz Product Size: Approx. 105x48mm/4.1x1.9in Measuring Range: Humidity 0% to 100%RH, temperature -40 to 85 Accuracy: 3% (10% to 90%), 5% (other), 0.3 (0 to 60), 0.6 (other) Accuracy: 0.1%RH, 0.1 Data Capacity: 0.1%RH, 0.1 Startup Mode: Push button startup or timed startup Battery: Built in 1 x CR2450 button 600mAh (shipped with built in battery) Recording Interval: User configurable (10 seconds to 99 hours) Start Delay: User configurable (0 to 72 hours) Alarm Range: User configurable Alarm Type: Single type, cumulative type Alarm Delay: User configurable (10 seconds to 99 hours) Report Format: Data report in PDF and CSV format Report Interface: USB2.0 interface Protection Level: IP65 Report Reneration Time: Less than 4 minutes