Temtop M100 2nd WiFi Air Quality Monitor – 7” Touch Screen Indoor CO2, PM2.5, PM10, TVOC, Temperature & Humidity Detector, Smart Multi-Room Air Analyzer with LoRa Expansion

All-in-One Air Quality Monitoring: Monitor PM2.5, PM10, CO₂, TVOC, temperature, humidity, and AQI in real time.Built with high-precision sensors for accurate and stable readings—ideal for home, office, school, or lab environments. Smart Wi-Fi & LoRa Connectivity Connect via 2.4GHz Wi-Fi for real-time data tracking through the Temtop App, or expand coverage up to 1000 meters with LoRa sub-devices for multi-room or building-wide air monitoring.（Sub-units must be purchased separately.） 7-Inch Touch Screen with Trend Graphs Large HD touchscreen provides an intuitive interface to view all parameters, daily and monthly trend charts, and even 7-day weather forecasts at a glance. Customizable & Calibrated for Accuracy Features manual calibration for PM2.5, CO₂, temperature, and humidity, ensuring long-term precision.Users can also set alarm thresholds, display brightness, screen saver, and Do-Not-Disturb mode for personalized operation. Designed for Smart & Professional Use Perfect for indoor air quality management, HVAC inspection, and environmental research.Combines smart data analysis, real-time alerts, and multi-device networking, giving professionals and homeowners reliable insight into every space. Specifications Battery Capacity: 4000 mAhInput Power: DC 5V / 2AWiFi: 2.4GHzLoRa: US(915.8MHz), EU(868.3MHz); Transmission Distance: 1000 m (open area)Operation Environment: –10–60°C, 0–99.9%RH CO₂:Measuring range: 400–5000 ppmResolution: 1 ppmAccuracy: ±(40 ppm + 5%) PM2.5:Measuring range: 0–999.9 µg/m³Resolution: 0.1 µg/m³Accuracy: ±10 µg/m³ (0–100 µg/m³); ±10% (100–500 µg/m³) PM10:Measuring range: 0–999.9 µg/m³Resolution: 0.1 µg/m³Accuracy: ±15 µg/m³ (0–100 µg/m³); ±15% (100–500 µg/m³) TVOC:Measuring range: 1–500Resolution: 1 Temperature:Measuring range: –10–60°C (14–140°F)Resolution: 0.1°C (0.1°F)Accuracy: ±1°C (±1.8°F) Humidity:Measuring range: 0–99.9%RHResolution: 0.1%RHAccuracy: ±5%RH Air Quality Index (AQI):Measuring range: 0–500Resolution: 1