The Concept2 Indoor Rower Model D, E, RowErg Power Generator Assembly - Sensor Coil is an essential accessory for any serious rower. It seamlessly integrates with the award-winning Concept2 indoor rowing machine, allowing it to serve as a power generator. This feature converts your workout into credits for your RowErg system, enabling you to charge devices wirelessly. With its durable and compact design, the assembly is perfect for on-the-go use or storing away when not in use. Its sensor coil ensures accurate power generation, delivering exceptional performance and reliability. Upgrade your Concept2 Indoor Rower experience with this essential attachment, and start generating power and savings today!