BTBSIGN BT LED Digital Countdown Wall Clock with Remote and Buttons GYM Fitness Sport Timing Clock

This is a 3.3inch digital high clock with housing 13inch length and 5.1inch tall;
[Countdown in hours minutes seconds]: set a countdown time by the remote like 30 seconds ( 00:00:30), it will countdown from 00:00:30 to 00:00:00; It will beep when it reaches to zero.
[Count up in hours minutes seconds] : Count up from zero to target value
[Stopwatch]: Work as a stopwatch count up from zero to 99:59:99; You can stop when it is running.
[Day Clock]: Display 12 and 24 hours time format;