Multi-purpose Usage: This portable carbon dioxide detector is for monitoring air quality in various settings like homes, schools, offices, hospitals, and more. Intuitive Display: Enjoy easy reading with the intelligent color display showing clear CO2 levels. A red warning light alerts you when levels reach 1600-1 ppm. Advanced Tvoc Sensor: The CO2 detector features a TVOC sensor for monitoring CO2 levels, temperature, and humidity, ensuring a environment. Recommend using USB for charging. Real-time Monitoring: Stay informed with the carbon dioxide monitor that detects levels in real-time. Four warning lights flash 1 ppm, keeping you aware of air quality changes. Ideal Gift: Give the gift of better air quality. The air quality monitor helps you understand your environment and make improvements accordingly. Spec:
Item Type: CO2 Detector
Product Material: ABS
Carbon Dioxide Detection Range: 400-5000ppm. Accuracy: 1ppm.
Temperature Measurement Range: 0-50 ℃. Accuracy: ± 1 ℃.
Humidity Measurement Range: 0% - 99% RH. Accuracy: ± 2% RH.
Battery: Built in lithium ion battery model 1 8 6 5 0 with 1200mAh capacity.
Charging Voltage: DC 5V

packing list:
1 xCO2 Detector
1 x Charging Cable (Random Color)
1 x User Manual