"All New from Polar! Move your heart rate and cycling functions from your wrist to your handlebar; absolutely wireless. Cycle features include: Bar or Stem mount, Large multi line display, extended time backlight, audible button response, Auto Start/Stop, 2 bike settings, wireless speed (Cur/Avg/Max), Estimated Time of Arrival, Speed pointer (Up/Down arrow), and Auto display scroll of configurable screens. (Wireless Cadence optional) HRM features: ECG accurate, continuous HR (bpm/Max/% of Max), Polar OwnCal, OwnCode, OwnZone and UpLink. Data stored to a single Memory file. (See these additional SKU?s: CC-CSS, CC-CSC, CC-WLT) Coded Chest strap required - sold separately"