This relaxation device turns your ceiling into a night time sky scene that will play calming nature sounds sending you into a peaceful, deep sleep. The star projector also features an alarm clock with date and temperature display. Projects a relaxing image of stars onto the ceiling. Select from 10 sounds including bird song, ocean waves, brook, summer night, rain, and dawn. Full function digital alarm clock with large display and temperature feature. Measures 12.5 x 11.5 x 10.5 cm.