3.8 INCH ADJUSTABLE SCREEN DISPLAYProjection alarm clock designed with 3.8 inch LCD screen and adjustable display brightness, no stimulus or eye strain, long service life. Digital Alarm Clock 4 Screen brightness allows you to customize the display to your liking. Allows you to adjust the display to a brighter setting during the day and a softer setting at night. You can also turn off the screen and leave the projection on. 120ADJUSTABLE ANGLE PROJECTOR AND ULTRA-TRANSPARENT PROJECTIONAlarm clock with 120adjustable projector, can project ultra-transparent time clear on the ceiling or wall within a range of 7 to 10 feet. You can enable/disable the projection as needed. Long press the "Project" button to reverse the projection view by 180. Let the alarm clock project on the ceiling when you sleep at night, you can easily read the time while lying in bed. SNOOZE FUNCTION AND 9-MINUTE WEEK MODEThe Snooze button allows you to easily mute the buzzer without opening your eyes. The default snooze time is 9 minutes. The digital clock chimes every 9 minutes until you deactivate snooze mode by pressing any other button. Set weekend mode and let the alarm clock never ring during the weekend. This smart projection alarm clock wakes you up comfortably. MULTIFUNCTIONProjection alarm clock home thermometer provides the most accurate readings, displayed with indoor temperature, lets you know if any adjustments are needed. As a digital lazy alarm clock, night light, perpetual calendar. The screen includes month, week, date. Perfect alarm clocks for bedrooms provide you with optimal living conditions for you and your family. 4 PROJECTION BRIGHTNESS and 2 ADJUSTABLE ALARM SOUNDSWith 4 adjustable projection brightness levels (0 %, 10%, 60%, 100%). USB port (USB cable included) or 3 AAA batteries (not included). You can easily charge it on many devices, such as AC adapter, power bank or computer, which avoids draining the battery while you sleep and wake up and saves energy.