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

Battery Capacity: 4000 mAh    
Input Power: DC 5V / 2A    
WiFi: 2.4GHz    
LoRa: Frequency: 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