Giant Axact 13W wireless cycling computer features 13 functions including pace, daily distance and calorie consumption. - 13 function wireless cycle computer - Easy coin-release battery cap - Simple low battery indicator - Auto Start/Stop/Sleep - Calorie consumption calculation - Functions: - Current speed - Average speed - Max Speed - Trip distance - Odometer - Distance per day - Ride time - Total ride time - Speed pacer - 12/24 hr clock - Auto scan - Calorie consumption - Total calorie consumption