4 Brightness Levels & Dual Purpose DesignLED alarm clock provides 4 brightness levels, 100%, 80%, 60%, with screen off, no dazzling lights or annoying sounds to disturb your sleep , creating a peaceful environment for sleeping. Dual-use design, use three AAA batteries, the alarm clock will be in touch mode, plug the round DC power cord into the DC 5V socket, and the alarm clock will be in constant light mode. Snooze function and mode 12/24: The large snooze button helps you easily turn off the buzzer without opening your eyes, get an extra 5 minutes of sleep while avoiding oversleeping. The alarm clock wakes up every 5 minutes until you deactivate snooze mode by pressing another button. You can change 12/24 hours by yourself. It has two independent alarm clock switches and two sets of alarm clocks, five mode settings, separate reminders for life and study, and reasonable time planning. Memory function, easy To set: The electric alarm clock can memorize the time and alarm when the power is cut off, keep the time and various settings unchanged, and avoid repeated setting next time. There are 6 control buttons on the back of the desk clock, and snooze and touch buttons on the top, which can make setting more intuitive and easy. The perfect basic digital alarm clock for kids, teens, students or the elderly. Quiet Sleep Environment and Night ModeUnlike a mechanical alarm clock that keeps running, affecting the quality of your sleep. Our LED alarm clock is silent, allowing you to escape the noise of the night and sleep soundly. The humanized luminous function allows you to see the time clearly at night without turning on the lights, protecting your eyes at night and saving energy. Perfect for your bedroom, living room, office.