Technical specifications • 12/24 hour time zone and date display • stopwatch • alarm • color led display • silicone band • resistant to water splashes and dust • 44mm diameter • 38g weight • 3atm waterproof • 3v battery powerdisplay and wakedate, time, you can see the minutes, seconds and weekdays. to open the main screen, it is enough to press any of the mode, start and reset buttons next to your watch once. in any mode, press the light button once to turn on the backlight for 3 seconds. press and hold the light button for 3 seconds to change the light color. press the mode button once to enter the stopwatch mode. press start to start or stop the stopwatch. press the reset button to clear the clock and set it to 00:00:00. press the mode button to return to the main screen. press the mode button twice to switch to the arming alarm section. when you press the start button once in the alarm section, the alarm icon will appear on the screen and your alarm will be activated. press the reset button to change the hour and minute values. while the hour or minute value is flashing, press the start button to increase it. you can confirm the setting values and return to the main screen by pressing the mode button. press and hold the reset button to display the alarm you have set on the main screen. then press the reset and start buttons together to turn on/off the alarm function. when the alarm is turned on, the alarm icon will be displayed on the screen. press and hold the reset button on the main screen, and then press the mode button together to turn on/off the clock chime function. if the clock chime function is on, hold down the reset button and "su / mo / tu / we /th / fr / sa" will be displayed on the screen. if the clock chime function is off, press and hold the reset button, “su /mo / tu / we / th / fr / sa” will not be displayed on the screen. when the alarm is activated, it will give you a voice notification for 60 seconds. you can press any key to stop the alarm. time and date adjustment press mode button 3 times to set time and date. the setting is in the order of “second-> minute-> hour-> date -> month-> exit”. (press mode button to exit the setting.) in setting, press reset button to select the unit you want to change. press start button to increase the value you have selected. during time setting, press start button to increase the value. if "h" is displayed on the watch's screen, it means 24-hour zone, if "a" or "p" is visible, it means 12 hours. after finishing the settings, press the mode button to return to the main screen. important: if the lcd screen and led light go down, please replace the new battery. conditions not covered by the warranty conditions caused by use, such as running out of battery of your product, aging of the cord, breaking or oxidation of the glass, are out of the scope of the warranty.• damages caused by misuse, lack of maintenance, accidents or normal wear and tear.• it is clearly "waterproof", "water resistant" on your product. in the absence of such a statement, problems that may arise due to water penetration are not covered by the warranty.• defects arising from situations such as opening your product by unauthorized services or using it contrary to product usage recommendations may leave your product out of the scope of warranty.• it is guaranteed for 2 years. requesting warranty and watch repair if your watch needs repair under warranty, please send a copy of your watch, invoice (and/or) warranty card and a description of the problem to an authorized watch service center. a fee may be charged for service work not covered by this warranty. these fees may vary depending on the type of work. • the maximum time your product will spend in technical service is 20 business days. • the time your product will spend in technical service is added to the warranty period. This publication is ideal for readers seeking insightful and educational content. Prepared by experienced authors and printed with high-quality materials. Great for students, educators, and curious minds.