CO2 Detector High Accuracy Temperature Humidity Meter Portable Carbon Dioxide Detector with Reminder for Planting Tents Wine Cellars White Item Type: CO2 Detector Material: ABS Power Supply: 1 x Li Ion Battery 2600mAh (Built In) Charging Voltage: DC 5V Features: 1. Measures and records Carbon Dioxide concentration (PPM), air temperature (℃/℉), and humidity (%) 2. 3.5 inch TFT LCD color display 3. Wall mounted and desktop design 4. Perpetual calendar and time display 5. Carbon Dioxide level reminder 6. Maximum and minimum reading display 7. Low battery indicator 8. Data logging function 9. Auto shut off Specifications: Carbon Dioxide Measurement Range: 0 to 9999PPM (Out of range) Accuracy: ±50ppm ±5%rdg (0 to 5000) Carbon Dioxide Concentration Resolution: 1PPM Temperature Measurement Range: -29 to 70 ℃ (-20 to 158 ℉) Temperature Measurement Accuracy: 1℃ Temperature Resolution: 0.01℃/℉ Humidity Measurement Range: 0 to 100%RH Humidity Measurement Accuracy: ±3%RH Humidity Resolution: 0.01%RH Auto Shut Off: User configurable (default non shutdown) Record Groups: 6000 groups Operating Temperature Range: -10 to 60℃ (-4 to 140℉) Operating Humidity Range: 0 to 99%RH Storage Temperature Range: -40 to 80℃