OUTERDO Waterproof Digital LCD Bike Computer Speedometer Odometer Stopwatch User friendly life style, easy to install, easy to read LCD display, ideal companion for your bicycle. Handy, Compact, Portable and Convenient Muti Functions: Speed Comparator & Average Speed & Maximum Speed & Relative Speed & Riding Time & Riding Distance & Total Riding Distance; Offer accurate riding data for your riding life. Speedometer with digit display & image display Waterproof Computer & Metric & Imperial Speeds (mph/kph)