Polar RS300X Running Heart Rate/GPS Monitor

For recreational athletes who require all essential heart rate and timing features. Helps you train at the right intensity with personal sport zones. The Polar Fitness test measures your aerobic fitness at rest and tells you your progress. Shipping Weight (in pounds): 1.0 Product in Inches (L x W x H): 8.0 x 2.0 x 1.0. New batteries included