The Polar RC3 GPS is designed for the recreational runner or cyclist who"s looking for smart guidance when preparing for an event.The Training Benefit gives you instant feedback after your session whilst the device ensures you train at the right intensity with personal sport zones.The Running Index scores your performance as well as tracking your route, speed and distance with the optional GPS sensor.Tracks your route, speed and distance using built-in GPS and allows you to share your training with friends. The RC3 is lsim and lightweight, with a rechargeable battery that has a 12-hour lifespan with GPS on.Features: *Body measurement features*CS cadence sensor W.I.N.D. features*CS speed sensor W.I.N.D. features*Data transfer*Integrated GPS features*Polarpersonaltrainer.com features*Recording features*s3/s3+ stride sensor features*Training features*Watch featuresIn The Box:*Polar RC3 GPS training computer*USB cable*RC3 GPS Getting Started Guide