New. Included as part of a GPS cycle bundle. Works with a smartphone app. Three separate sensors. Wahoo Speed for bicycle $20 Wahoo Cadence for bicycle $20 Wahoo Tickr Heart Rate Monitor for bicycle, running, hiking, rowing or any fitness activity $60 Will sell all three for $80. Thanks for looking. Please see link for details: https://ca.wahoofitness.com/devices/bike-computers/elemnt-roam-bundle-buy-virtual#included-sec