Usage Tips:Made of premium material, lightweight, sturdy and durable. Not only measuring and display current speed, average speed, maximum speed, also display the compare of current and average speed. Accumulate the total distance as long as bike's moving, whilst record trip distance, trip time, current time, etc. No matter caught at a red light or stop for coffee, bike computer have got you covered, it knows when you've stopped and automatically stops counting time and averaging and other functions. What you get: bike computer, mount with wired sensor, magnet, cable tie, manual, and friendly customer service. This bike computer just needs simple operation for people to track their outdoor cycling real time distance, maximum speed, average speed, driving time, stopwatch, maintenance and etc. More details please refer the product manual. Suitable for most types of bicycles, such as common bicycles, mountain bikes, road bikes, folding bikes. Colour:As Shown Material:ABS Size:4.6 x 4.6 x 2cm Package Contents: 1 set x Mountain Bicycle Code Meter(Odometer + linker bracket + strap + fixing screws) 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 picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.