7.5" LARGE SCREEN AND 180 ULTRA CLEAR PROJECTION DISPLAY: The screen of the projection alarm clock is 7.5 inches and the LED display is very clear and easy to read. This digital alarm clock can rotate the projection (-90 to 90).The figures can be projected on the ceiling or wall in the desired direction.(There are two brightness options).Optimal projection distance: within 3.5m. Farthest projection distance: 5 m. 4 ADJUSTABLE BRIGHTNESS TYPES AND AUTO DIMMING FUNCTION AND NIGHT MODE: Clock radio has 4 adjustable projection brightnesses (bright - slightly light - dark - off ).Or you can also set auto dimming modewhich can automatically change the screen brightness according to the ambient brightness. Or you can use night mode to set a low brightness level for a period of time. DUAL ALARMS WITH SLEEP FUNCTION: The digital alarm clock supports dual alarms, then two separate alarm times can be set at the same time if you and your partner or children get up at different times . You can select the default buzzer or radio station as the alarm tone. Snooze function allows extra sleep 5-60 minutes, standard snooze time is 5 minutes. FM RADIO AND SLEPP TIMER FUNCTION: Clock radio with projection Can search, lock and store an unlimited number of radio stations (frequency: 76.0 to 108.0 MHz). The 90 cm antenna on the back of the device provides more stable reception. With sleep timer function, you can set playing time from 5 to 90 minutes and it will automatically turn off at the specified time. 15 adjustable volume levels to meet your needs. MEMORY FUNCTION AND USB CHARGING PORT: The digital alarm clock has a memory function, after disconnecting the power, the alarm clock can keep the normal time and remember the settings of the alarm/radio/snooze function. So you don't need to reset everything every time to avoid the same tedious process! It also has a USB charging port on the back, so you can connect other devices to charge.