The CS300 is a cycling computer and fitness monitor all in one, providing valuable feedback on or off the bike, Wireless speed, distance and heart rate provides for proper pacing during training, or cardio-focused workouts, Calorie expenditure, fitness test, and automatic target zones based on how the body feels each day makes the CS300 the perfect solution for cross-trainers, beginner tri-athletes, and fitness cyclists looking to stay in shape, SKU: LAPN002