Moon phase display provides a quick read of lunar cycles, while indoor temperature is shown with a trend indicator. It supports Celsius and Fahrenheit switching and includes snooze and alarm functions for reliable wakeups. Clear digital display with a projection function that can show the time on a wall or other surface. The projection angle is adjustable to fit your space. Dual power options for flexible use. When powered by battery (not included), projection and backlight are off by default and you can press the SNOOZE / LIGHT button to turn on projection and backlight for 10 seconds. When using a DC 5V power supply, pressing the SNOOZE / LIGHT key changes backlight and projection brightness. With DC 5V power, backlight brightness is adjustable from bright to slightly bright to dark, and the projection light can be set to bright or off. This allows you to tailor visibility for day or night use. American radio time signal reception is supported in RCC mode via WWVB, ensuring accurate time. It displays time in seven time zones: EST, AST, HAT, AKT, PST, MST, and CST. Use scenarios - Nightstand in the bedroom: easy to read at a glance with the clear digital display, projection onto the wall for quick time checks in the dark, and a Snooze/Alarm function for reliable wakeups. - Home office or study across time zones: seven time zone display helps coordinate meetings and schedules with colleagues in different regions. - Kids’ room or shared spaces: simple controls for alarm and adjustable brightness, with projection to a wall or surface for visibility from bed. Key attributes - Function: moon phase display, indoor temperature with trend display, Celsius/Fahrenheit switch, snooze and alarm functions, projection clock, adjustable projection angle, backlight control, and RCC WWVB time synchronization. - Compatibility: supports battery power (not included) and DC 5V power supply; projection and backlight behave differently depending on power source for energy efficiency. - Performance: clear digital display, adjustable backlight and projection brightness, and accurate time via WWVB RCC signal in multiple time zones. - Practical design: projection capability saves space on the bedside table, while multiple brightness settings help customize visibility in any room.