The RS300X by Polar For athletes who require all essential heart rate and timing features to exercise at their peak.

• Helps you train at the right intensity with personal training zones
• Displays how many calories you've burned
• Tracks your latest 16 training sessions and your past 16 weeks of training
• Automatic or manual setting of target heart rate zones: %, bpm, HRR%
• Graphical target zone indicator
• Visual (3) and audible alarms (3) in target zones
• Event countdown timer, backlight, display zoom, oversized display, user configurable displays
• Water resistant (50 m), HeartTouch, button-free operation of wrist unit, KeyLock
• Exercise features: average and maximum heart rate of each lap, maximum heart rate of total exercise, interval trainer (HR, pace, distance) guided workouts, number of laps (99)
• Recording features: average and maximum heart rate, calorie expenditure, exercise time, lap info, target zone time/limits, 16 exercise files
• Watch: alarm with snooze, date/weekday/time (12/24) with alarm, stop watch, dual time zone, low battery indicator
• Easy start setting wizard guides you through setting up your profile
• Transfers training data to polarpersonaltrainer.com with optional Polar FlowLink (search 210-286-136)
• Due to federal shipping restrictions regarding products containing lithium batteries, this product can only be shipped to the 48 contiguous states. It cannot be shipped to Canada, Hawaii, Alaska, Catalina Island, Puerto Rico, APO, FPO or international addresses. Thanks for your understanding.