Features CLEAR DISPLAY --- The bicycle speedometer has a large 2.8in LCD display with a soft white backlight, make it easy to read the statistics clearly whether you're riding day or night TRUE WATERPROOF --- The bicycle computer is not afraid of water, and come with a physical button, which is easy to operate, and can work as usual in rainy days, continue to move forward in the worst weather WIRELESS AND ACCURATE --- The wireless feature make cycle computer more convenient and advanced, saying goodbye to the tangled wires on the handlebars 20 FEATURES --- The wireless bicycle speedometer has the scanning function of distance, top speed, average speed, travel time, calorie consumption, temperature, stopwatch, maintenance, etc., and automatically display all information and statistic while ridi WITH BRACKETS --- The cycling odometer come with 2 different brackets, the first being an extension mounting bracket and the second for the bike handlebars. Stronger for all sizes of bike handlebars Specification Package List 1 x Bicycle Speedometer 1 x Sensor 1 x Stopwatch Bracket 1 x Handle Bracket 1 x Wheel Magnet 4 x Cable Ties 1 x Sticker 1 x Screw 2 x User Manual