The Ultrak 490L is a professional quality stopwatch for use in critical timing events. Ultraks 490L professional stopwatch includes all of the same features and benefits of the world-famous Ultrak 495, with the addition of a LED backlight for use in low-light conditions. The Ultrak 490L features a 100 memory lap and cumulative splits. Continuous display of event time. Memory recall during operation. Fail-safe switches for accurate timing. Water resistant design. Large, easy to read 3 row display. Measures up to 10 hours. Long lasting Lithium battery. Five year manufacturers warranty.