Timex T5K264 - Ladies Race Trainer Watch Timex Ironman Race Trainer digital heart rate monitor Digital 2.4GHz heart rate sensor and strap Timex Data Xchanger 2-way download device and software Owner's manual Measures average heart rate, time in zone and calories burned To track your workout results. Heart Rate Monitor Tracks target zones, percentage of maximum heart rate, maximum heart rate zone and recovery heart rate. 10-workout memory To help you keep track of your workout progress. Digital transmission Protects your data from other heart rate monitors and most exercise equipment. 5 linked interval timers For added convenience. Watch Includes Indiglo night light, 5 interval timers and 3 alarms. 100-lap memory With average heart rate per lap. 100-hour chronograph With lap and split. 100-hour, 3-mode countdown timer Helps you manage your workouts. Water-resistant to 100m For activities in or near water. Data Xchanger Provides wireless 2-way communication between the heart rate monitor and PC or Mac users via a training log. 2.4GHz ANT and sport digital transmission polyurethane chest sensor For accurate results. Replaceable battery For long-lasting performance. Midsize watch Fits smaller wrists.