5 In 1 Quality Monitor, WiFi Indoor CO2 Meter for Smart, HCHO TVOC Detector with LCD Display, Infrared Sensor, Temperature Humidity for Home

5-in-1 All-Round Detection: This 5-in-1 quality monitor detects CO₂, HCHO, TVOC, temperature and humidity at the same time. Get 5 key parameters in one go, no need to multiple devices. Colorful LCD Large Screen: The quality is equipped with an LCD digital color screen, displaying clrly and intuitively. Even at night or in dim environments, you can sily rd all data. Infrared Sensor for CO₂: This quality meter uses an infrared sensor to detect CO₂ concentration. Compared with semiconductor sensors, it has quicker response speed and more accurate results.​ Item Type:  Quality Monitor Material: ABS CO₂ Detection Range: 400 - 5000 ppm, +-50 +- 5 ppm CO₂ Sensitivity: 1 ppm TVOC Detection Range: 0 - 9.99 mg/m³, +-0.05 mg/m³ HCHO Detection Range: 0 - 1.99 mg/m³, +-0.05 mg/m³ Temperature Msurement Range: 0 to 50 C Temperature Accuracy: +-2 C Humidity Msurement Range: 0 to 99 Humidity Accuracy: +-8 Battery: 1 x Rechargble Battery, 3.7V, 2000mAh (Built-in ) Product Size: Approx. 9*7*3.5cm/3.54*2.76*1.38in Package Size: Approx. 14*10*5cm/5.51*3.94*1.97in Package Weight: 191g/0.42lb