Tuya WiFi Air Quality Meter 13-in-1 Indoor Air Quality Monitor Detects CO₂ TVOC HCHO PM2.5 PM1.0 PM10 Humidity and Temperature Time Date Alarm Timer and Stopwatch Timer with Alarm for Home Offices School Hotel Looking for a reliable and easy-to-use air quality monitor for your home? Look no further than our Smart Air Quality Monitor. With its multi-functional capabilities, this device can measure CO₂, TVOC, HCHO, humidity, temperature, PM2.5, PM1.0 and PM10 in the air. Also features time, date, alarm, timer and stopwatch timer displays. Features: 【13-in-1 Air Quality Monitor】It can accurately detect CO₂, TVOC, HCHO, humidity, temperature, PM2.5, PM1.0 and PM10 in the air. Also features time, date, alarm, timer and stopwatch timer displays. 【2.8inch TFT Display】The 2.8inch TFT display with backlight makes each value clear at a glance, and you can also check the time/date/historical data on the detector. This air quality meter also features remote real-time monitoring data and C°/F° switching. 【Low Power Alerts】Built with 1200mAh rechargeable battery and packaged with one 5V USB cable, the standby time can last for 6-7 hours. Never be anxious about low power. 【PM2.5 Data Color Warning】0-50: green; 51-100: yellow; 101-500: orange; greater than 151: red. If the PM2.5 reading is greater than 100, the rapid 4-sound alarm will be triggered, with one alarm sound every one second. 【Safety Design】The mesh design allows for better heat dissipation during operation, preventing the device from getting hot, and more accurate measurement data. 【Wide Application】This portable detector can detect air quality in bedrooms, living rooms, kitchens, cellars, cars, grow tents and more.  Specifications: Color: Black / White (Optional) Model: 2CO8 Material: ABS CO₂ Detection Range: 400-6000 PPM, ±50 ±15%PPM CO₂ Detection Sensitivity: 1 PPM TVOC Detection Range: 0-2.0 mg/m³ HCHO Detection Range: 0-0.6 mg/m³ PM2.5 Detection Range: 0-1000 ug/m³ PM2.5 Detection Sensitivity: 1 ug/m³ PM1.0 Detection Range: 0-1000 ug/m³ PM10 Detection Range: 0-1000 ug/m³ Temperature Measurement Range: -10℃~50℃ Temperature Measurement Accuracy: ±2℃ Humidity Measurement Range: 0%~99% Humidity Measurement Accuracy: ±3%RH Charging Mode: DC5V, 1A USB interface Battery: Built-in lithium battery 2000mAh Working Current: 260mA Working Voltage: 3.7V Item Size: 88 * 69 * 35mm / 3.46 * 2.71 * 1.37in Item Weight: 150g / 5.29oz Package Weight: 212g / 7.47oz Package Size: 14.1 * 9.8 * 4.8cm / 5.55 * 3.85 * 1.89in Package List: 1 * Air Quality Detector 1 * USB Charging Cable 1 * User Manual (English)