1. Perfect for decorating weddings, birthdays, parties. Great for romantic night light and decoration light!! 2. Very romantic night, full of sincere gift 3. Powered by 3 x AA batteries (not included) or USB cable (adapter not included). 4. This is a new popular cosmos star projector lamp, it can help you bring the universe home, give you a piece of the sky that changes color, without you having to look for the field, rotate the base, there will be different colorful spaces, find the constellation you belong to. Specifications Material: ABS Switch type: 3 push buttons Voltage: 5V Light source: 4 LED bulbs User manual: You can choose different power supply methods, USB cable or batteries: 1. Insert 4*AA batteries into the battery holder with correct polarity and replace the battery cover. 2. USE IT AS A LAMP, YOU MUST PUT ON THE COVER. IF YOU WANT IT TO BE A PROJECTOR, JUST REMOVE THE COVER 3. Three modes: Night light: Night light (warm light) Press A again to turn off the night light. Blue light: Light color switch (monochromatic light or colorful light overlay). Note: Press the B button 9 times in a row, model B will turn off. Cl mode: It is to control the rotation switch (rotate or not rotate freely chosen) Note: Press C again to turn off the rotation. Note: 1. Please note that the USB cable and batteries cannot be used at the same time. Package contents 1 x Star Projector 1 x USB cable 1 x User manual Products from He Wei's store