CHKOSDA 28.4''Large Digital Wall Clock,Automic Digital Clock with Alarm,Clendar and Termperature,Auto Time Sync with Easy Operation, Big Timer with Countdown and Countup (Red)

Automatic Time Sync：The large digital clock is automatically synchronized with GPS satellites to provide accurate real-time time without manual adjustment. You can also choose to manually adjust the time and set other functions with the remote control, very convenient.

Clearly Readable Large Numbers: This large digital wall clock features a 27-inch long display with large, easy-to-read numbers. The wall clock displays the time, date and temperature at a glance, making it suitable for use in a variety of public places.The clock has an automatic brightness adjustment mode that senses the brightness of the surrounding light and adjusts the display brightness accordingly. This ensures optimal readability without wasting energy. In addition, the clock offers an 8-level manual brightness adjustment mode that allows users to customize the display brightness to their liking.

Large Digital Timer:A large digital wall clock with countdown and count-up functions offers great versatility for various tasks. The countdown feature allows the user to set a specific time to count down from, making it ideal for activities like cooking, workouts, or timed tasks. Once the set time reaches zero, the clock alerts the user with a sound or notification. The stopwatch function, on the other hand, starts from zero and tracks elapsed time, which is perfect for activities like measuring time spent on a project or timing an event. Both features are displayed clearly with large digits, ensuring easy readability from a distance.

Multi-function LED Wall Clock:The digital wall clock displays the time in large, clear digits and offers both 12-hour and 24-hour time display modes, allowing users to choose their favorite format. In addition to the time, the wall clock also displays the current date for daily reference. The clock is also equipped with a temperature sensor that reads the real-time room temperature. In addition, it allows users to set up to 16 alarm groups, perfect for those who need multiple reminders throughout the day. This multifunctional clock combines practicality and ease of use, making it ideal for use in the home, office or other settings.

Power supply: The largre digital clock is powered by a 10ft usb power cable, which is the most stable way, and cannot be powered by batteries. It can also be powered by connecting to a laptop or mobile power supply for short-term flexible use.

A GPS automatic time synchronization clock is a precision timekeeping device that uses signals from GPS satellites to automatically set and maintain accurate time. The clock receives time data from the GPS system, which is synchronized with Universal Coordinated Time (UTC). This ensures that the clock always displays the correct time, regardless of power interruptions or manual adjustments. Typically, these clocks are used in environments where precise time is critical, such as in scientific laboratories, server rooms, or industrial settings. The GPS time synchronization feature ensures high reliability and eliminates the need for manual time-setting, making the device highly accurate and maintenance-free over long periods.