Best Heart Rate Monitor, Calorie Counter, Fitness Activity Tracker & Sport Watch with Exercise Timers, Alarm, EL Backlight, Chronograph and Stopwatch - Chest Belt with Elastic Band & Polyurethane Fabric Strap - Best Replacement Warranty | bodyWares [HRM Fit] Series NEW Includes heart rate chest belt (2 oz.) made of a comfortable elastic band and soft polyurethane strap that adjusts to most body types 3 selectable heart rate zones to workout at your own pace and intensity - [1] 55-70%: sustain healthy heart and lose weight, [2] 70-80%: develop endurance and stamina, [3] 80-100%: increase muscle strength EL backlight display with audio/visual alarms, timers and stopwatch plus graphical heart rate (max/%) display with arrows showing if you are in/out of zone 90-Day money-back guarantee for a risk-free purchase and a best in class 1-Year replacement service warranty (over ANY manufacturing defects); NO questions asked!