Accurate 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 activity Large LCD Backlight display - The Cycle Computer with large LCD Screen Display with green & blue backlight allow you to read the digital easily remotely, especially in the deep dark night or in the long tunnel. Only one touch on the MODE or SET will turn on the backlight Wireless 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 water Multi Functions - A variety of functions to meet your different riding needs. It works well to Measure Average Speed, Maximum Speed, Tripmeter, Digital Clock, Trip Timer, Calories, Fat Burned, Stopwatch (SW), Temperature (TEMP), Estimated arrival time (ETA), keep abreast of the riding dynamics Applicable with Most Bike - Road Cycling, Mountain Bikes, Folding Bike,Common Bicycle,Pit Bike/Dirt Bike. It doesn't matter about the size of the tire, which it can be set up.Also be used for hiking, climbing, and many other fun, adventurous outdoor activities