High Quality Simple Stopwatch - high precision, 1/100 seconds accuracy; light weight, made in light duty plastic, only 1.4oz; Small in volume, easy to carry, stopwatch include lanyard, you can hand held it or round the neck. Perfect for sports training, competition, running, fitness, etc.Silent Function for No "BEEP" - stopwatch with silent feature, easy to change the mode between silent and normal, No "BEEP" Anymore. Tip: In Clock Mode, Press [RESET] and [SELECT] together, can turn off the "beep" hourly. Suit for testing, exam, experiment, speech, classroom and any need silent occasion.Backlight Function - Click [LIGHT] turn on light for few seconds, it help you for training on night, this function only could use in dark environment and at night. Tip: This function is not obvious during the day.Make It More Simple - digital stopwatch design simple, only have four functions: Count up, Count down, Clock, Alarm. Package included user manual in 5 languages, if you have any problems about how to set up, please contact us for customer service.Count up and Count down - The maximum timing for count up is long up to 29:59:59. The maximum timing for count down is long up to 29:59:59. In addition, the countdown can adjust the duration of the prompt sound, very useful for rest in fitness.Colour: greenProduct Includes: 1pcSize: 68*80*18 mm