Visualized the Air -- 8-in-1 air quality monitor with PM2.5, PM10, Particles, CO2, Temperature, Humidity, Recording histogram functions, and Date export, to know the air in your home. Your Health Assistant -- 7" TFT large-screen LCD, rich screen display, clear and easy to read data, audio alarm function, sound alarm after measuring indoor air quality exceeds the limit. Data storage and export-- can store up to 60,000+ data by setting the recording interval and can be connected to a PC via USB to export a report of the measurement data. Rechargeable Battery -- The M2000C has a 2000mAn rechargeable lithium battery with the USB cable and lasts 6-8 hours on a full charge. Sturdy and Durable -- engineering-grade drop-resistant construction, tight and solid; excellent resistance to drops, suitable for use in multiple situations inside and outside the house. Parameter Model M2000C 2nd Dimension 223.5*73.5*37.5mm Battery Capacity 3000mAh Battery Life 6-8h Input DC5V; 1A Display TFT Color Screen PM2.5 Senser: Laser PM Sensor Measuring Range: 0-999 ug/m3 Resolution: 0.1ug/m3 Accuracy: ±10 ug/m3(0-100ug/m3);±10%(100-500 ug/m3) PM10 Senser: Laser PM Sensor Measuring Range: 0-999 ug/m3 Resolution: 0.1ug/m3 Accuracy: ±15 ug/m3(0-100ug/m3);±15%(100-500 ug/m3) Carbon Dioxide(CO2) Senser: Non-Dispersive Infrared (NDIR)CO2 Sensor Measuring Range: 0-5000 ppm Resolution: 1 ppm Accuracy: ±(50ppm + 5% reading) Feature 6 Monitoring Objects*The Temtop M2000C 2nd Air Quality Detector allows you to take a reading of the CO2, PM2.5, PM10, Temperature, and Humidity. Data could be formed into a histogram and displayed in real-time. Multi-function*Data logging interval setting Chart display/non-display settings Alarm range setting Alarm sound on/off setting Time setting Rechargeable Li-Battery*Built-in 3000mAh rechargeable battery, the air quality monitor can work continuously for at least 6 hours when fully charged. The portable air quality monitor is easy to operate and can detect the concentration of various pollutants in the home, workplace, school, daycare center, or any other location. Comparison LKC-1000E M2000C 2nd LKC-1000S+ M2000 M2000C M2000 2nd Size 65.5*177*32MM 73.5*223.5*37.5MM 177*65.5*32MM 73.5*223.5*37.5MM 73.5*223.5*37.5MM 73.5*223.5*37.5MM PM2.5/PM10/Particles/AQI ✓ ✓ ✓ ✓ ✓ ✓ Temperature/Humidity ✓ ✓ ✓ ✓ ✓ HCHO ✓ ✓ ✓ ✓ CO2 ✓ ✓ ✓ ✓ TVOC ✓ Bar Graph ✓ ✓ ✓ ✓ ✓ Audio Alarm ✓ ✓ ✓ ✓ Data Export ✓ ✓ Model M2000C M2000C 2nd Data Export Function / √ Temperature & Humidity Sensor Si7020 series Accuracy ±0.4℃, ±4%H Swiss SHT3X seriesAccuracy ±0.3℃, ±2%H CO2 Sensor China WeishengAccuracy ±50ppm+5% Lifetime 5 yearsRange 400-5000ppm Swedish S8 series Accuracy 40ppm ±3% Lifetime 15 years Range 400-5000ppm, up to 10000ppm range ( S8 sensor has accuracy guaranteed at 400-5000ppm accuracy is not guaranteed between 400-5000ppm or 5000-10000ppm ) Temtop M2000C 2nd CO2 Air Quality Monitor User ManualTemtop M2000C 2nd CO2 Air Quality Monitor ECM Certificate Certification