Ultra precise, multi-mode stopwatch with memeory recall and lap counter. Lap, split or event timeing. 1/1000 second precision to 24 hours. Five (5) memory recall. Auto-lap counter to 99. Auto lap/split release. 1St - 5th place times. Water Resistant to 30 meters. Break-Away Safety Lanyard helps prevent accidents, promotes safe use. Oversized push buttons provide ease of use so you can keep your eyes on the action instead of trying to take a reading. Easy access battery hatch on all Robic handheld timers to make battery replacement a breeze. Ten year warranty; Lithium battery CR-2032. Choose from black, blue, yellow, purple, orange, green and red.