Large Screen LED Alarm Clock with Projection: The upgraded digital alarm clock features a 7.9-inch LED screen with larger fonts and greater clarity. The projection can be rotated 180 and digitally flipped, unlocking more projection fun. Projection distance: 1.6 feet - 16 feet. Three Alarm Modes and Easy Snooze: Three alarm periods can be set: Monday through Friday, Monday through Saturday, and Monday through Sunday. If you want to sleep in a little longer, you can press the SNZ button for an extra 1 to 60 minutes of sleep (default is 5 minutes). Whether plugged in or powered by 3 AAA batteries, the display offers 3 adjustable brightness levels: high, medium, and low. When powered on, the screen is always on. When powered on, the screen automatically turns off after 30 seconds to save power and provide a memory function. Multi-Function Display and Night Mode: This multi-function projection alarm clock supports displaying the time, date, and temperature to meet your daily needs. Selectable 12/24-hour format to suit your preference. With Night Mode enabled, the screen automatically dims between 6 PM and 6 AM to save power while you sleep. Reminder: A 1.5-meter charging cable is included. Batteries and adapter are not included. When running on battery power, the screen will automatically turn off after 30 seconds.