The CO2 Sensor/BleBox sensor allows monitoring the concentration of carbon dioxide indoors.

• Measurement: 400–40000 ppm
• LED indicator: 7 levels with alarm signaling
• Connection: Wi‑Fi 2.4 GHz
• Supported app: wBox for Android and iOS
• Measurement accuracy:
  • 400–1000 ppm ± (50 ppm + 2.5% of the measured value)
  • 1001–2000 ppm ± (50 ppm + 3% of the measured value)
  • 2001–5000 ppm ± (40 ppm + 5% of the measured value)
• Power supply: 5 VDC via USB‑C (power adapter not included)
• Consumption: Operating temperature: −10 °C ... 50 °C
• Dimensions: 45 x 30 x 15 mm
• Alarm signaling: LED and notification in the wBox app
• Communication range: limited only by the availability of the Wi‑Fi network