Specifications

• Electro-luminescent backlight
• Auto light switch, selectable illumination duration, afterglow 
• Flash alert
• Flashes with buzzer that sounds for alarms, hourly time signal, countdown timer time up alarm, 
• countdown timer progress beeper, and stopwatch auto start 
• Low temperature resistant (-20 C / -4 F) 
• World time
• 29 time zones (48 cities), city code display, daylight saving on/off 
• Moon data (moon age of the input data, moon phase graph) 
• Tide graph (tide level for specific date and time) 
• 1/100-second stopwatch (ST1)
• Measuring capacity: 999:59'59.99''
• Measuring modes: Elapsed time, split time, 1st-2nd place times
• Other: 5-second countdown auto start 
• 1/100-second stopwatch (ST2)
• Measuring capacity: 999:59'59.99''
• Measuring modes: Elapsed time, split time, 1st-2nd place times 
• Countdown timer
• Measuring unit: 1 second
• Countdown range: 24 hours
• Countdown start time setting range: 1 minute to 24 hours (1-minute increments and 1-hour increments)
• Others: Auto-repeat, progress beeper 
• Multi-function alarms
• 5 independent multi-function alarms (4 one-time alarms and 1 snooze alarm) 
• Hourly time signal 
• Full auto-calendar (to year 2099) 
• 12/24-hour format 
• Button operation tone on/off 
• Regular timekeeping: Hour, minute, second, pm, month, date, day 
• Accuracy: 15 seconds per month 
• Approx. battery life: 2 years on CR2025