Timex Digital Speed + Distance Sensor

Upgrade Unit to add GPS receiver to the Taget Trainer 100 lap heart rate monitor.
Allows user to see the current speed or pace, average, maximum and minimum speed or pace, distance travelled, and/or to set distance end . Also allows user to maintain exact pace with audiable or silent tracking alarm.
With data recorder 2 (Sold separately ) information can be downloaded into both timex maintained data analysis program and various mapping software to give a complete picture of your training.

For all Timex Ironman* Triathlon® and Speed + Distance watches
Provides: distance, pace and speed data
Metric or English Readings
No calibration required
Splash resistant to IPX7 Standard

13-Hour battery life from 1 AA battery
Battery Included