Galaxy Light Projector Star Night Light with Bt Speaker Remote Controller Rechargeable Rotate Led Lamp for Bedroom Decoration. 1. Lampshade: universe, Planet, Moon, Star lamp2. Movie modes :1xuniverse,1xstars, 1xocean, 1xbirthday, 1xmoon3. Material :abs + pc.4. Product size :5.1 x 4.7 inches5. Voltage :5 v6. Dimming :37. Power supply :usb charger /3 aa batteries (not at the same time).8. Features: night light and projector can be easily replacedbutton installation:one button - power and lighting mode control button.Pre the 1-3 key: switch the single light color succeivelypre the fourth button to automatically change the color of the lightpre the fifth key: mix color constant brightpre the 6th button: blend colors in and outpre the 7th button to power offb key - brightne and rotation control button.Short pre can adjust the brightne to 100%-50%-10%long pre for 2s to control the rotation function