Polar has combined their most advanced Heart Rate Monitor functions with enhanced running speed and distance features for the ultimate cross training tool. The S625 packs features like altitude tracking and download capability; optional cycling and power sensors make it like having a sports performance lab right on your wrist. Features include: Large backlit multi line display, EKG accuracy, continuous HR (bpm/Max/Avg/% of Max) by lap or total exercise time, 5 exercise profiles, Polar OwnCal, OwnCode and OwnOptimizer with Polar Fitness Test, 3 audible/visual target zone alarms, up/down timer, recovery (HR vs. time), workout recording and much more. Track your fitness progress through MobileLink technology and IR download to your computer. When you need the ultimate training tool Polar answers the call. (See these SKU's for optional features: CC-CLIP, CC-PR, CC-CS2, CC-SS2, and CC-USBR) CC-625