XPOWER METER CRANK ARM:What is the measurement accuracy of the power meter crank arm?

The letters and identifiers in the naming are used to distinguish the type and left/right position of the power meter, with specific meanings as follows:

L: Represents the left-side power meter (Left).
R: Represents the right-side power meter (Right).
2XPOWER: Represents the power meter dual-sided.
XPOWER: Represents the power meter single-sided.