The power meter serial number is available through the 4iiii App.
1. Connect to your power meter, and select it from the DEVICES tab.
2. On the DEVICE SETTINGS page select the SETTINGS button at the bottom.
3. Click on DEVICE INFO. From there you will see:
- Device Name
- ANT+ ID
- Device Type
- Serial Number
- Firmware Version
- Boot Version
- Software Development Version
- Model Number