SIGMA SPORT ROX 5.0 Double Wireless Cycling Computer

Bike computer displays multiple speed, heart rate and (optional) cadence values and allows you to utilize the HR functions off the bike (with included wrist strap)
Digitally coded STS wireless speed transmission prevents transmitter data from being corrupted by external interferences such as power sources or other transmitters
Digitally coded wireless heart rate
4 Target HR zones and Intensity zones, with zone alarm
Low battery indicator for computer head and all transmitters; 1 year battery life
Memory chip stores data while changing batteries
Includes universal handlebar mount
Records data at 20 second intervals
PC- and Mac-ready; purchase the optional docking station (not included) and download your ride via Sigma Data Center software
Closeout
Imported.