digital timer 1.display hour,minute,seconds 2.programmable Normal clock,stopwatch, count up,countdown 3. size:70*18.5cm

  digital timer

4" LED numerics for displays in HH:MM:SSBackup lithium battery is able to keep time accurate when power fails

 

Daily errors: less than 1secondsTime format options: 12/24 hour format selectableAmbient Temperature: -10~50 C; 0~95%  relative humidity;The  clock has normal clock, countdown, count up, interval, stopwatch functions,The clock can store 8 programs of countdown, count up, or interval.Remote works with 2 AA batteries. The Clock has an installed backup battery to keep the time running, for 10 years+ if power goes off ( The battery will not operate the display)

4.0inch 6 digit countdown stopwatch timer