Mute and light function - Stopwatch with mute and light mode, adjust at will, absolute silence, without "BEEP". Allowing you to use it at night.2 memory - 1/100 Second Precision Timer, meet the most basic sports.Multifunction Stopwatch - Light Function, Mute Function, Stop Function, Timing Function, Alarm Function, Clock Function, Countdown Function, Metronom etc.Ergonomic Design and Large Screen - Has comfortable hand feeling and cool appearance. Clear and large number display. Multifunction Stopwatch, Light Function, Mute Function, Stop Function, Timing Function, Alarm Function, Clock Function, Countdown Function, Metronom etc.Material:ABSGreen color of the function1. Clock and calendar: 24 hour system, 2000~2099 years.2.Alarm clock function: Daily alarm clock with 30 seconds ringing time.3. Timing function / Countdown function: Until 29:59:59.4.The snooze duration can be cycled and adjusted.5.Chime function on the hour.6. Backlight: Press the backlight button (light button) to turn on for 4 seconds.7.For more functions, please refer to the manual.Wrap:1 x stopwatch