1. Gas detection: CO2 2. Measuring range: 0~10000μmol/mol 3. Accuracy: +-40μmol/mol+-3% 4. Response time (90%): About 2 minutes 5. Indication mode: LCD displays real-time data and system state, LED and sound indication alarm 6. Working voltage: DC 3.7V (Lithium battery capacity 1800mAh) 7. Battery Model: LP103450-1800mAh 8. Charging time: About 4 hours 9. Standby time: More than 8h on end (slightly change with working state) 10. Dimensions: 71 x 153 x 49mm 11. Color-screen display, user-friendly interface. 12. Bilingual choices: Chinese/English. 13. Two alarm forms: sound/light. 14. Data recording and review function, continuously record 7605 data. 15. Charging function.
