The ProChip FLEX is subscription-based. You can easily extend you subscription by buying a subscribtion card
online and cash it on the Mylaps website. ProChip FLEX transponders can be used for running, cycling, skating, swimming, triathlons and more sports.
The subscription that comes with the chip depends on what subscription you picked. After that periode you can extend the subscription with 1, 2 or 5 years.
You can find the more information about how to register here