Features: Made of stainless steel with exquisite workmanship, solid, durable, anti-shock, wear resistance and good performance. This stopwatch is specially designed for sports, with high accuracy of 0.01s. Time calendar function: it displays year, month, day, hour, minute, second, week and 12/24 hour system is optional. Stopwatch function: it has segmented memory storage, accurate value up to 1/100 seconds, maximum time of 39 hours 59 minutes 59 seconds. Alarm function: it can be set daily alarm, quickly turn on/off the daily alarm. Alarm function at the time: you can turn it on/off. Countdown function: it can be set the countdown and countdown function, and the longest countdown is 39 hours 59 minutes 59 seconds, cycling timing and duration e of the reminder can also be set. Light display function: with light button, long press 4s to turn on. It can be turned off to save energy. energy, and the clock does not need to be reset. It can be muted to respond to the use of silent links. Ideal for the sport, daily training, daily use and so on. Stopwatch only, other accessories demo in the picture is not included Specification: Powered by: 1 x button battery (included) Material: Stainless Steel Accuracy: 0.01s Size: app.7.4 x 6x1.5cm/2.91x2.36 x 0.59in Color: Steel Quantity: 1 Pc Package includes: 1 x Sports Stopwatch