Specifications:Adjustable strap, comfortable to wear.LED screen displays the time,year and date.12-hour system, single button operation.Power saving mode: no button operation for 3 seconds, the screen turns off by itself.Setup Operation:In the power saving mode, short press the M button, the light turns into the display mode. Then short press the M button to display the date, press the M key again to display the second. Long press the M key, the hour will flash, then short press M key to adjust the hour (single click to add one hour). After adjusting the hour, long press the M button for a few seconds. After that, the year will flash, and you can adjust the year.1. After adjusting the year, press and hold the M button, after a few seconds, the month starts to flash, press the M button to adjust the month.2. After adjusting the month, press and hold the M button. After a few seconds, the date number flashes. Press M to adjust the day.3. When switching the time, be sure to do it while the light is still flashing. Otherwise, the light will go out and you have to adjust it again.Item Name: Digital WatchMaterial: TPU + ABSWaterproof: NoMovement: Digital (Battery)Display: LED ScreenFeatures: Adjustable Strap, LED Display, Comfortable to WearStrap Length: 24cm/9.45" (Approx.)Strap Width: 1.5cm/0.59" (Approx.)Case Thickness: 0.6cm/0.24" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Digital Watch