Three Rows 100 Memories Handed Sport Stopwatch with Countdown Alarm Pacer Time Temperature Display

Features:
Three rows display.
100 memory records with laps or split memory.
Time,calendar,alarm,countdown and pacer(frequency).
Turn on/off,mute key,temperature display,low batter indication.
Support 12/24 hours time format.
IPX7 water-resistant.
Measurable up to 10 hours,1/100 of a second within the first 30 minutes,after that,in second.
Ergonomic design to hold.With a hang rope,convenient to wear on your neck.
Suitable for running,swimming,football,basketall,etc.