As a practical equiment for your Motorcycle. Engine light reminding. Displaying time. travel distance. Waterproof, -proof, durable. Easy installation and simple operation. Material: ABS Color: as shown Product Name: Motorcycle Odometer Operating : 10V-15V Speed calibration: 42.5Hz corresponds to 60KM/H Speed calibration: 166Hz corresponds to 10 x 1000r/min Needle Display Rpm Range 0-15000. : Less than 11.3V undervoltage flashes, higher than 11.7V undervoltage is not displayed Package Contents: 1 x LCD odometer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.