The Timex Ironman Sleek 250-Lap TapScreen watch is so easy to use; it lets you log on without slowing down. The oversized display lets runners assess their performance while never breaking stride. Perfect for cross-training. TapScreen technology gives easy access to laps/splits by tapping the digital screen. Audible hydration and nutrition alarms help keep performance at its peak. Water resistant up to 100 meters. Also includes stopwatch, lap timer, countdown timer, and resin strap. INDIGLO night-light illuminates the watch face for four seconds. Night-Mode® will illuminate the screen with any button press.