The Cateye Velo 9 is a digital cycle computer that measures speed, distance, and time. I am selling it because I switched to a wireless model. The speedometer is calibrated for 700C wheels, and the button battery has just been replaced. - Model: Cateye Velo 9 - Display: Digital display - Functions: Speed, distance, time measurement - Model number: C483173 - Included items: Sensor, cable Thank you for looking.