Features: brand new and high quality brand new and quality Shutdown: It can be turned off to save power, and the clock does not need be reset (most stopwatches on the market currently do not have a shutdown function). for Key mute : It can be mute, which can be used in quiet situations. for Time calendar : Display year, month, day, hour, minute, second, week, 12/24 hour system optional. Stopwatch: Three rows display 10/30/60/100/120 run way, segmented memory storage, accurate values up to 1/100 second for time, the longest for time is 9 ho Countdown : You can set the countdown and have the function of counting times. The longest countdown is 9 hours, 59 minutes and 59 seconds, and it has the function of counting times. Daily alarm clock: You can quickly turn on/off the daily alarm clock. Beat : Beat frequency can be selected from 5 times/min---320 times/min (multiple times of 5) and has the function of counting times Specifications: Material: ABS Style: -120 Size: approx.7.5x6.2cm/2.95x2.44in Optional colors: Black/White Quantity: 1Pc Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you Package includes: 1xStopwatch Timer(other accessories demo in the picture is not included.)