Concept2 LogCard for compatible Concept2 rowing machine performance monitors. Used to store and transfer rowing workout/session data. Suitable for older Concept2 PM monitor systems such as PM3/PM4, depending on compatibility. Condition: used/pre-owned. Card and sleeve shown included. Untested. May contain previous workout data, so buyer may need to erase/reset before use. Please check compatibility with your Concept2 monitor before buying.