ROBIC SC-848W 300 Memory Speed Stopwatch 300 dual split memory recall; 1/100 second precision to 100 hours. User selectable running lap or split time; automatic lap counter to 999. Stroke Rate Calculator displays strokes per minute; Speed Timer in MPH/KPH. 300 memory recall of lap speed, time and number; advanced countdown timers show time remaining. EL backlight illuminates entire display for use day or night.