AE-1000W-1AVEF

LED illumination Light duration selection, light persistence Multiple time (4 different cities), 31 time zones (48 cities + difference in coordinated universal time), daylight saving time (On and Off), change from local time to  1/100 seconds Stopwatch Measuring capacity: 23:59'59.99'' Measurement modes: elapsed time, split time, 1st and 2nd position times Timers Unit of measure: 1/10 second Input range: 1 second to 24 hours (1 second increments, 1 minute increments and 1 hour increments) Five daily or one-time alarms Fully automatic calendar time signal (up to year 2099) 12 and 24 hour format Activated and deactivated button operation tone Classic clock functions Digital functions: Hour, minute, second, pm, month, date, day Accuracy: ±30 seconds per month Duration approx. Battery life: 10 years on model CR2025.