CO2 Monitor Stable CO2 Detector 7 In 1 For Indoor Application:1. Material: high-quality air quality detector, using high-quality electrochemical sensor module, with good accuracy.2. Stable performance: strong anti-interference ability, low consumption and long service life.3. Intelligent Carbon Dioxide Tester: Gas analysis uses a solid-state air TVOC sensor, and air quality monitors temperature and humidity.4. No calibration required: check with power on to accurately detect carbon dioxide.5. Accurate: Accurate carbon dioxide detection, large screen display of power, CO2, temperature and humidity. Specification:Item Type: CO2 MonitorMaterial: ABSModel: ZN-2CO16Battery: 3.7V 1500mAh Lithium Battery (Built-in Battery)Application: Ambient Gas Quality DetectionCO2 Test Range: 400-6000PPM ± 50 ± 5% PPMCO2 Test Accuracy: 1PPMTVOC Test Range: 0-2.0mg/m³HCHO Test Range: 0-6.0mg/m³Temperature Test Range: -10 - 50 °CThe Temperature Accuracy: ± 2 °C Humidity Test Range: 0% - 99% RHDurn Test Accuracy: ± 3% RHLast Packing:1 x Detector1 x Transmission Cable USB1 data x user manual 1) we accept Alipay, West Union, TT. All major credit cards are accepted through the payment processor's secure escrow. 2) Payment must be made within 3 days of placing the order. 3) If you can't check out immediately after the auction ends, please wait a few minutes and try again, payments should be completed within 3 days. About Shipping 1.