Functions1 12 digit display normal time display screen hour minute second step count percentage of target step In normal time display mode press S1 to view the date With perpetual calendar function year range 2000 to 2099 2 12 24 hour setting options 3 Step counting function 1 Personal parameter input settings 2 Manually turn on or off the step counting in the step counting mode there is the function of step counting sleep power saving and step counting data clearing 3 Real time query of accumulated step data for the day steps calories exercise mileage exercise time 4 Historical step data storage and query function can store 31 days of step data and query historical step data every day Steps calories exercise mileage exercise time 4 Alarm function It can set the alarm punctual time snooze function 5 Running seconds timing function the maximum running seconds timing is 23 hours 59 minutes 59 seconds the first 30 minutes is accurate to 1 100 second 6 The second time function the second country city time can be set 7 Countdown function The maximum countdown time is 24 hours 8 Low voltage detection function When the battery voltage is lower than 2 4V a low voltage prompt icon appears Nine EL light press the light and delay 3 seconds 9 There is a full display test function For English Manual 1 please click here