Sahoo 20 Functions Wired Cycling Stopwatch Backlight Water-proof Bike Computer Multi-function Wired Cycling Stopwatch Bike Computer Material: ABS plastic cement Standard: 40*50*10mm Weight: 70g Functions: Riding Tine, Total pdmeter, Time Clock, Max Speed, Average Speed, Trip Distance, Calorie, Maintenance Tips, Stopwatch, Current Speed, Speed Comparator, Setting Speed Scale, Backlight1600-8:00Present TimeRiding Distance, Riding Calorie, Auto Sleep, Auto Awake, Recycling Shows, Weekly Setting.