The Smith & Wesson SWW-100 Sports Digital Stop Watch is water resistant to a maximum depth of 90-feet and has a 24-hour countdown timer with a 20-lap memory for timing relay races, competitions and other athletic events. With a water resistant seal, this timer can be used for aquatic events without damaging its internal components. The timer displays the date, day and time with a seconds countdown and standard or military time setting. Set up to (3) different alarms and choose your time zone using the (24) time zone world time display with independent day light savings time (DST) setting. This timer is finished in black with orange and silver details, includes CR2032 batteries and comes with a user's manual. When the display readout dims or goes blank, it's time to replace the original battery. The Smith & Wesson SWW-100 Sports Digital Stop Watch comes with a 1-year limited warranty to protect against defects in material and workmanship.