Top Features
one : Introduction
Z5.4 HRC
•Light-blue backlit LCD display with 7 x 20 progress matrix four pre-set workout programs
•User programs
•Heart rate control: one time-based heart rate workout, four distance-based heart rate workouts, and two interval heart rate workouts
•S.O.F.T. Select adjustable softness running surface
Z5.5 HRC
•Deep-blue backlit LCD display with 10 x 28 progress matrix
•Dot-matrix LCD message center
•Four pre-set workout programs
•User programs
•Heart rate control: five time-based heart rate workouts, four distance-based heart rate workouts, and five interval heart rate workouts
•S.O.F.T. Select adjustable softness running surface