ANT+ enabled, 2.4 GHz digital signal.Compatible with ANT+ speed, cadence, power, and heart rate sensors.Current, average and maximum speed.Trip distance, programmable odometer with auto start/stop.Clock (12/24-hour) and total ride time, interval timer and pacer.Dual view, cadence, heart rate, power, altitude, % grade, backlight and battery life indicator.Includes heart rate strap.Does not include sensors. ANT+ sensors need to be purchased separately