Manufacturer Description:

The phrm56 is a heart rate monitor watch with several functions. Using the included belt, this watch will display your current heart rate while running. It can also show you your maximum and average heart rate on a single workout so you have an idea of how your heart is pumping and you can train like a pro using target heart rate zones, all built in to the watch. A stopwatch and calorie counter are also included and running at night is no problem, thanks to the built in el backlight. Read more