Bicycle counter with backlight 23 functions: - speed; - total distance-odometer (0-99999km / miles); - travel distances; -maximum speed; -average speed; -travel time; 12 or 24 hour watch; -temperature (-10 ° C; 70 ° C); -minimum temperature, -aximum temperature; -skan; -calation of calories; -fat burning; Measurement unit: kilometers or miles; -setting of appropriate wheel size; - introduction of the last odometer value; - introduction of weight; - save the temporary value; -arm service; - low battery warning; -backlight ; -automatic start / stop