Parts of the Sensorbee Air Pro 2
This page identifies the connectors and controls on the outside of the Air Pro 2 housing. Refer to it when installing the unit or attaching external sensors.

- Inlet for internal gas sensors and the particulate matter sensor.
- Temperature, humidity, and pressure sensors.
- Power switch.
- M12 connector for an external temperature sensor or sound-level meter.
- Status LED — indicates the unit's current state. See the LED status reference for the full colour sequence.
- Power connector (M8M-4, type A) — input power, 5–24 V DC.
- Expansion connector (M8F-6, type A) for Sensorbee external sensors.
- Expansion connector (M12, 8-pin) for Modbus RTU sensors (5–12 V supported).
