●1/1000 seconds precision optional

●10/30/60/80/100/200/300/500 memories delectable to order

●the fastest lap time，the slowest lap time and average lap time can all be recalled when the data is reset.

●pacer function that can set the value between 10-330.

●countdown function from 9hrs 59mins 59 secs.

●counter function，press once count once.

●setting sport mode，rest time mode and sets available.

●calendar, week and 12/24time clock setting

●humanized resilience mode.

●auto turning screen off when No operation after 3mins.

●holding the data after a wake-up.

●free to switch on/off. more energy-saving.

●using the structure shockproof, waterproof, fireproof, more comfortable feel.