["The Milesight AM307L-868M is a versatile LoRaWAN room climate sensor for precisely recording temperature, humidity, air pressure and CO2 concentration. The energy-saving E-Ink display enables clear display of the measured values ​​- ideal for offices, meeting rooms, schools and public institutions. LoRaWAN wireless communication ensures easy integration into smart office and smart building solutions. Perfect for monitoring indoor climate in offices, schools, conference rooms and public facilities. The AM307L-868M supports smart office and smart building applications to improve comfort, air quality and energy efficiency", "LoRaWAN communication (868 MHz) for reliable and energy-efficient data transmission", "Measures CO2, temperature, humidity and air pressure", "Large E-Ink display for easy-to-read room climate values", "Ideal for offices, schools, conference rooms and public buildings", "Easy to wall mount or place on a table", "Long battery life – up to 3 years (depending on usage)", "Compatible with Milesight IoT Cloud, TTN, Helium & Co", "Frequency range: 863-870 MHz (EU868)", "Sensors: CO2, temperature, humidity, air pressure", "Display: 4.2\" E-Ink display (black/white/red)", "Measuring ranges: – CO2: 400 – 5000 ppm – Temperature: -20 °C to +60 °C – Humidity: 0 – 100% RH – Air pressure: 300 – 1100 hPa", "Power supply: 2x 3.6V ER14505 Li-SOCl2 batteries or USB-C", "Battery life: Up to 3 years (depending on interval and usage)", "Communication range: Up to 15 km (open field)", "Protection class: IP30 (indoor area)", "Dimensions: 120 × 100 × 25mm", "Weight: approx. 150g", "Mounting: Wall mounting or tabletop installation", "Configuration: USB-C, NFC or ToolBox app", "Compatibility: LoRaWAN 1.0.2 / 1.0.3"]