Features

• 2 inch e-ink screen
• Traffic Light Indicator & Buzzer
  
• Anti-theft Protection
• Vivid Emoticon Indication
• Powered by USB Type-C or Batteries
• Support Data Storage and Retransmission
• Hibernation Mode for Low Power Consumption
• LoRaWAN® wireless transmission

Specifications

• Measurement Range
• Temperature: -20°C – 60°C
• Humidity：0% ~100% RH
• Carbon Dioxide (CO2)：400~5000 ppm
• PM2.5 & PM10: 0 ~ 1000 μg/m3
• Motion: 80 ° Horizontal, 55 ° Vertical, 5m
• Light：0-60000 lux
• TVOC： 1.00 ~ 5.00 (IAQ Rating)
• Barometric Pressure：260 ~ 1260 hPa