3 Color LCD Backlight Display - The Cycle Computer with green, blue and red 3 colors backlight, allow you to read the digital easily remotely, especially in the deep dark night or in the long tunnelAccurate Data Results - Developed from high-end smart chip technology to establish a powerful and stable type of bike computer quality, the cycle computer can maintain accurate data transmission on your cycling activityWireless and Waterproof Design - Wireless and Waterproof Design Makes It More Convenient and Durable. Never worried about the complex in install the wires on your handlebars,and no need to worry about the rainy day. NOTE: Don't put in the rainstorm or stay in waterMulti Functions - A variety of functions to meet your different riding needs. It works well to Measure Average Speed, Maximum Speed, Tripmeter, Digital Clock, Calories, Stopwatch (SW), Temperature (TEMP), keep abreast of the riding dynamicsApplicable with Most Bike - Road Cycling, Mountain Bikes, Folding Bike,Common Bicycle,Pit Bike/Dirt Bike.Also be used for hiking, climbing, and many other fun, adventurous outdoor activities. Easy to install and use