Enkeeo Wired Bike Computer Bicycle Speedometer Bike Odometer with Backlit Display, Current/AVS/MAX Speed Tracking, Auto ON/OFF, Stopwatch Multifunction for Cyling ACCURATE SPEED TRACK: features a high accurate speed tracking with a top display of current speed once cycling, a bottom display of the max, average speed, DST and DTM, scan feature for auto display the riding data WIRED TRANSMISSION: this water resistant computer fits all types of bicycles and features an accurate speed sensor and a highly magnetized speed magnet to allow precise riding data's transmission ADVANCED GIZMO: no need to pair, easy to install and use, simply mount the computer onto the bikes front wheel with less than 23/60cm gap to the speed sensor that is a 0.06/1.5mm gap to the magnet BIG BACKLIT SCREEN: 2 smart buttons for convenient operation, 1 big backlight screen for easily and clearly reading all riding data especially when in a dimly lit MULTIPLE FUNCTIONS: 2 speed units (M/KM per hour), 12H/24H clock, freeze frame memory, low battery indication, stopwatch, time recording, calorie counter, temperature detection