1. Ideal for decorating wedding, birthday, parties. Great for romantic night lamp and decoration light use!! 2. Very romantic night, full of sincere gift 3. Power by 3 x AAbattery (Not Included) or USB cable(Adapter not include). 4. This is a new popular cosmos Star Projector lamp, it can help you put the universe back home, give you a piece of the sky changes color, without need for hard to find the field,rotating its base, there will be different colorful space, find the constellation that you belong to it.SpecificationsMaterial: ABS Switch Type: 3 Push-Button Voltage: 5V Light Source: 4 LED BulbsOperation Manual:You can chose the different power operation methods, USB Cable or Batteries: 1. Insert 4 x AA batteries into the battery holder with the correct polarity, then recover the battery cover. 2.USE IT AS A LAMP, YOU NEED TO PUT THE LID ON. IF YOU WANT IT TO BE A PROJECTOR, JUST TAKE OFF THE LID 3. Three Model: A mode: The Nightlight light (warm light)Press A again would shut off A Model. B mode: Switch for the light color (monochrome light or colorful light overlay). Note:Press B Button 9 times in a row,The model B would shut off. C mode: It is to control the rotary switch (rotate or do not rotate freely chosen)Note:Press C again would shut off the rotation. Note: 1.Please note that the USB Cable and the Batteries can not be used at the same time.Package Content1 x Star Projector 1 x USB Cable 1 x User manual Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.