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 mAh Input Power: DC 5V / 2A WiFi: 2.4GHz LoRa: 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 ppm Resolution: 1 ppm Accuracy: ±(40 ppm + 5%) PM2.5: Measuring range: 0–999.9 µg/m³ Resolution: 0.1 µg/m³ Accuracy: ±10 µg/m³ (0–100 µg/m³); ±10% (100–500 µg/m³) PM10: Measuring range: 0–999.9 µg/m³ Resolution: 0.1 µg/m³ Accuracy: ±15 µg/m³ (0–100 µg/m³); ±15% (100–500 µg/m³) TVOC: Measuring range: 1–500 Resolution: 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%RH Resolution: 0.1%RH Accuracy: ±5%RH Air Quality Index (AQI): Measuring range: 0–500 Resolution: 1