Features: brand new and high quality This bicycle computer displaying for time, measures average speed, maximum speed, distance, etc. Exactly what bicyclist or fitness fanatic needs to know for stats tracking. Automatically wakes from sleep mode upon sensing vibration in the bicycle. Bright LCD display with big numbers guarantees you can read your statistics easily, more safe and convenient while cycling. Wireless-design makes it more convenient, never worried about the complex in install the wires on your handlebars, waterproof(IPX6) design no need to worry about rain. White/green backlight and easy installation, provides backlight for easy viewing during dark hours. Easy to install by following the guidance steps provided in manual. Wide application, and it is suitable for most types of bikes, bicycles, mountain bikes, road bikes, electronic bikes, folding bikes, ordinary bikes. for Ideal for riding lovers. Specifications: Material: ABS Color: Black Package Weight: approx.200g Size: approx.7.5x5cm/2.95x1.97in Package Includes: 1Pc x Bike Speedometer note: Please allow 1-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!