Specification:Color: Blue Pattern: Star moon, pink cat, purple monkey, blue cat, blue happy birthday, blue ocean people, blue lovers, blue universe people Projection lamp size: Bottom length: Total height of projection lamp: 14CM Diameter: 12.8CM Input voltage: DC 5V Power supply mode: USB cable/ 3*AA batteries (not included) Gear: 3 Gears (light conversion / flashing / steady bright) Switch type: Press button 3C certificate number Main scope of application: Corridor, home, hotel lobby, hotel rooms, leisure and entertainment places, exhibition hallColor: Multicolour Pattern: Star moon, pink cat, purple monkey, blue cat, blue happy birthday, blue ocean people, blue lovers, blue universe people Projection lamp size: Bottom length Total height of projection lamp: 14CM Diameter: 12.8CM Input voltage: DC 5V Power supply mode: USB cable/ 3*AA batteries (not included) Gear: 3 Gears (light conversion / flashing / steady bright) Switch type: Press button 3C certificate number Main scope of application: Corridor, home, hotel lobby, hotel rooms, leisure and entertainment places, exhibition hall