Get Familiar with Room Comfort Sensor

This topic will help you familiarize yourself with the interface, button, and indicator of a Room Comfort Sensor.

Screen interface



Item Icon Description
Date & Time when the sensor is associated with a gateway, the sensor will automatically sync date and time from the gateway.
CO₂ Threshold Alerts None CO₂ remains in the "Excellent" range.
CO₂ exceeds the threshold of "Polluted".
CO₂ exceeds the threshold of "Bad".
Current CO₂ Index Indicate the current CO₂ concentration (ppm).
CO₂ Levels History Tendency Show CO₂ levels history tendency from 200 to 1500 ppm.
Temperature Show the current temperature.
Humidity Show the current humidity.
Network Connection Status The sensor is connected to the network.
The sensor is NOT connected to the network.
Battery Level Show the battery level of the sensor.
The battery of the sensor is exhausted and needs replacing.
Emoticon Indication CO₂ and TVOC remain in the "Excellent" range.
CO₂ or TVOC exceeds the threshold of "Polluted".
CO₂ or TVOC exceeds the threshold of "Bad".
Light Level Displays the current light level in 6 different levels:
  • Level 0：0-5 lux
  • Level 1：6-50 lux
  • Level 2：51-100 lux
  • Level 3：101-500 lux
  • Level 4：501-2000 lux
  • Level 5：> 2000 lux
TVOC Threshold Alerts None TVOC remains in the "Excellent" range.
TVOC exceeds the threshold of "Polluted".
TVOC exceeds the threshold of "Bad".
TVOC Levels Displays the current TVOC level in 6 different levels (IAQ Index):
  • Level 0：0-50
  • Level 1：51-100
  • Level 2：101-150
  • Level 3：151-200
  • Level 4：201-250
  • Level 5：251-500

Button and indicator

Button & Indicator Function Action/Status
Power Turn on/off the sensor Press and hold the power button for more than 3 seconds.
Switch screen display mode Press the power button once.
Traffic Light Indicator Indicate the 3 levels of air quality according to threshold setting.
  • Excellent: Blinking Green
  • Polluted: Blinking Orange
  • Bad: Blinking Red

Screen display modes

Room Comfort Sensor AM307 provides 3 different screen display modes to best meet your needs. You can simply press the power button once to switch the screen display mode.
Screen display mode Displayed items Illustration
Mode 1
  • Date & Time
  • CO2
  • Temperature
  • Humidity
Mode 2
  • CO2
  • Temperature
  • Humidity
  • TVOC
  • Light
Mode 3
  • Date & Time
  • CO2
  • Temperature
  • Humidity
  • TVOC
  • Light