RS400 For the endurance spots athlete. You want to improve your performance also between training routines -- by planning, monitoring and analyzing your training. Do all this and much more with the RS400, the complete system for runners. RS400 has one of the largest displays in the industry and a fully user-configurable exercise view with countless combinations. The impressive design and comfortable wrist top mounting make it a pleasure to wear also in everyday life. Suggested Retail: $269.95 (without S1 foot pod) RS400sd with S1 FootPod New Features Training Planning with Polar Protrainer 5 The new Polar ProTrainer 5 is the most advanced and dynamic training, planning and analyzing software on the market. Easily prepare a detailed training program and transfer your daily training plan to your Polar Running Computer via infrared. Benefits and Main Features ECG Accurate Heart Rate Absolute (bpm) and relative (% HRmax) heart rate - easy to check and follow your workout intensity. Helps you train at the desired intensity. Polar Fitness Test Predicts your maximal oxygen uptake (VO2max) based on gender, age, height, body weight, level of physical activity, heart rate, and heart rate variability at rest. OwnOptimizer The training optimizer shows the status of your training load and helps you find the perfect balance between training and recovery. Polar OwnCal Displays calories burned during the run and shows calorie expenditure after the run. 99 Memory Files Automatically stores all running data from the last 99 runs 99 Laps with Total Recall Lap time, split time, heart rate and average lap heart rate. This feature also automatically identifies your best lap time, average lap time, average lap speed/pace and lap distance. Polar Sport Zones Polar sport zones provides an easy way to select and monitor the intensity of your training and to follow Polar's sport zones based training programs. Interval Trainer Allows you to create and name your own favorite time and/or heart rate. Speed/pace or distance guided workouts with up to three linked timers and up to three target zones.