Intelligent Light Sensor: The alarm clock contains a sensitive light sensor. When it gets dark, the screen will automatically turn on the soft light function, which will dim the brightness for you to check the time in the middle of the night. During the day, the screen brightness returns to normal. Always maintain the most comfortable brightness for us. Rechargeable and Safe: This alarm clock comes with built-in rechargeable batteries. It contains a 1200mhA polymer lithium battery, which can be used continuously for one month under normal conditions. This is a safe design that is perfect for children. Large Display Screen: 5 inch high definition LED display with large character display, easy to read. Date, 12/24 hour format hours and F/C temperature unit on the display are switchable. Easy to use for all ages. Soft and gentle alarm: When the alarm sounds, the sound gradually becomes louder and not aggressive. The snooze function can sound the alarm again once it has been suspended, just touch the button on the top, you can fall asleep at ease without worrying about being late. Multiple Uses: The digital alarm clock is suitable for different areas, such as bedside bedside, bedroom, home or office. We strive to provide you with the best product. If you have any questions about using the alarm clock, please let us know and we will solve it for you.