Polar S3 Footpod

Suits RS800 and RS800CX BRAND NEW In sealed plastic package    2 year International warranty!   The Polar WIND S3 Foot Pod Stride Sensor accessory sends speed/pace & distance data from a foot pod to the Polar wrist unit. Compatible only with Polar WIND technology HR Monitors. The small, lightweight durable S3 sensor measures each stride you take, helping you analyze the effectiveness and efficiency of your run. * Provides you with information on how to improve your running technique – in competitive situations, shorter or faster strides can have a dramatic impact on your performance * With interference-free speed/pace and distance data you’re able to evaluate and analyze your individual performance accurately * The sensor can be mounted securely and unobtrusively to training shoe laces