This digital alarm clock features a user-friendly design. It boasts a large 6.3-inch LED display, making it easy to read the time day or night, even from across the room. Ideal for a bedside table, desk, or kitchen, it's especially suitable for heavy sleepers and teenagers. It's simple to use. Simply press and hold the "MODE" button to quickly set the time, and press and hold the "ALARM" button to quickly set the alarm. A single click of the "up/down" button switches between three brightness levels. A single click of the "MODE" button switches to time/date/temperature mode, and a long press of the "MODE" button allows you to set the corresponding values. Operation is incredibly simple. Note: 1. You can choose to use it plugged in only, or with both batteries and electricity. However, you cannot use it with only batteries; this alarm clock must be plugged in. 2. This alarm clock requires manual setting for daylight saving time and standard time. 3. Please remove the screen protector before use to ensure screen clarity. 4. Press and hold the "SNOOZE/LIGHT" button for 3 seconds to turn off the screen, and wake it up with any button. 5. This alarm clock has 3 repeat cycles (weekend/weekday/daily) for you to choose from, allowing you to keep up with your lifestyle.