Welcome to our shop! 3-in-1 Design: This carbon dioxide detector boasts a 3-in-1 design with an infrared sensor to detect temperature, humidity, and carbon dioxide. LCD Display: This portable mini CO2 detector features a highly accurate, easy-to-read LCD display with manual calibration. Compact and Portable: Its small size makes this 3-in-1 CO2 detector easily portable, allowing you to monitor air quality anytime, anywhere. High-Capacity Battery: The digital CO2 meter uses a rechargeable battery, providing up to 24 hours of use on a single charge for long-lasting performance. Versatile Applications: Suitable for homes, schools, offices, travel, indoor and outdoor use, agricultural planting, production warehouses, and more. Item Type: Infrared Mini CO2 Detector Material: ABS, PC Size: Approx. 73 x 73 x 18mm/2.9 x 2.9 x 0.7in Display: LCD display Preparation Time: Approx. 35s Update Frequency: Approx. 2s Calibration: Manual calibration CO₂ Concentration Measurement Range: 400-5000 ppm±(50 ppm) Accuracy: ±(50 ppm+5%) Battery Capacity: 1000 mAh Li-ion battery (included) Charging Method: USB Type C Input Voltage: DC5V 0.5A Gross Weight: Approx. 113g/3.9oz Includes: 1 x Device 1 x USB Cable 1 x Manual Satisfaction Guarantee: Customer satisfaction is our top priority. If you encounter any issues, please contact the seller immediately. We strive to provide excellent customer service.