This is a kind of fine quality bike odometer, made of fine quality material, minimalist design with big font, you can see the data clearly trough readable and highly visible data display. Multifunction: clock(12/24 format transform), stopwatch, temperature, metric / imperial alternative, Scan(automatic circulation), riding speed, avg speed, max speed, riding time, trip distance, total odo, auto on/off, speed comparison prompts.etc. You can have a try. Features: Big font data with minimalist design: The body smaller than a bankcard but has a clear, readable and highly visible data display. Not only ensures that you can read the data on the screen easily while riding, but also enhances the safety of riding. The device can track your speed through the topdisplay of the current speed, as well as the bottom display of the maximum and average speeds. It also has a relative speed indicator which visually checks whether it is running faster than average. Day-night backlight multi-function: Built-in white backlight, providing night viewing. Keeping the display readable in low light makes it easy to read all the data clearly that to be your fine companion when riding at night. Other functions: clock(12/24 format transform), stopwatch, temperature, metric / imperial alternative, Scan(automatic circulation), riding speed, avg speed, max speed, riding time, trip distance, total odo, auto on/off, speed comparison prompts.etc. Suitable for most types of bicycles: Road bicycles, mountain bikes, folding bikes and other common bicycles. Note: Wireless sensor, fixed on front-wheel, magnet fixed on spoke, main unit fixed on handlebar and please remove insulation paper before using. Specifications: Name: Bike Odometer Material: PVC Color: green, black, red, blue (optional) Cell: 1 * CR2032H cell, 3V, 210mAh (included) Item size: 60 * 44 * 15mm / 2.36 * 1.73 * 0.59in Package size: 200 * 150 * 50mm / 7.87 * 5.91 * 1.97in Package weight: 90g / 3.17ounce Package list: 1 * Bike Odometer