# CO2 Sensor How to Check Live Values

URL: https://www.macnman.com/docs/lorawan/sensors-lorawan/co-sensor/macsync-lwt1-live-values
Section: User Manual › Lorawan › Sensors Lorawan › Co Sensor

## Check Live Values using BLE

To check live data via BLE, go to the Home Page in the Maya App, connect to your sensor, and tap on Device Data.

<nav aria-label="breadcrumbs">
  <ul class="breadcrumbs breadcrumbs--sm">
    <li class="breadcrumbs__item">
      <a class="breadcrumbs__link" href="#url">Maya Home</a>
    </li>
    <li class="breadcrumbs__item">
      <a class="breadcrumbs__link" href="#url">Device Data</a>
    </li>
  </ul>
</nav>

<br/>

![live Values](/img/lorawan/sensors/temperaturehumi/co2.svg)

- Click on the refresh button fetch data

## Related Resources

- Datasheet: [MacSync LCO2 X1 LoRaWAN CO2 sensor datasheet](/product/lorawan/sensors/environmental-sensors/macsync-l-co2-xx-datasheet)
- Start of this manual: [CO2 Sensor Introduction](/lorawan/sensors-lorawan/co-sensor/macsynclco21_introduction)
- Setup shared by all sensors: [Common LoRaWAN sensor settings](/lorawan/sensors-lorawan/common-lorawan-settings/maya_configuration_led_status_common)
- Help: [Contact Macnman support](/help/help)