360° rotatable projection of the time on ceiling or wall. DCF radio clock with automatic time adjustment to the most accurate clock in the world. Time zone can be set manually if the DCF time is different from the time zone. Two alarm times programmable, convenient when two people get up at different times. Speed alarm wakes sleepyheads with increasing alarm tone tempo. Touch sensor for convenient activation of the backlight and snooze function. For better readability, the backlight can be controlled in continuous operation via a power supply unit. USB port with 2.4 A power supply for charging mobile devices. Clock/calendar/alarm function:. Time switchable 12/24 h format. Weekday display (7 languages: English, German, French, Spanish, Italian, Danish, Dutch). Alarm and snooze function. Date display (weekday, day, month). Thermometer:. Switchable between degrees Celsius and Fahrenheit. Indoor temperature display. Hygrometer:. Indoor humidity display. Rotate button allows you to set the projection to rotate 0° (static projection on the wall), 90°, 180° or 360°.