Your training companion for riding and running, the Sigma Sport ROX 5.0 Cyclocomputer/Heart Rate Monitor displays multiple speed, heart rate and optional cadence** values as you ride, and seamlessly transitions into a running computer for use off the bike. The ROX 5.0 has four standard or customized intensity zones which show the amount of time you've spent in each zone. Preprogrammed Fitness Zone and Fat Burning Zone, or your own Customized Zone, helps keep you in the desired Target Zone through audio and visual alarms. Lap counter records speed and heart rate values for each lap. Twist the ROX 5.0 into the wrist strap to hide the cycling functions and begin the running mode. In run mode, the key functions include heart rate, run time, target zone and intensity zones. Trip data is automatically recorded in the Log and can be optionally downloaded to the Sigma Data Center 3 evaluation software. The Data Center 3 software makes ride data simple to download, track and analyze. If want customized training for riding and running, then the Sigma Sport ROX 5.0 is for you.