Product Description1. Perfect for decorating weddings, birthdays, parties. Great for romantic night light and decoration light!! 2. Very romantic night, full of sincere gifts 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 put the universe back home, give you a piece of the sky that changes color, without needing to struggle to find the field, rotate its base, there will be different colorful spaces, find the constellation you belong to. Specifications Material: ABS Switch type: 3 Push button Voltage: 5V Light source: 4 LED bulbs Instructions: You can choose different power sources, USB cable or batteries: 1. Insert 4 *AA batteries into the battery holder with correct polarity, then put the cover back. 2.【USE IT AS A LAMP, YOU MUST PUT ON THE COVER. IF YOU WANT IT TO BE A PROJECTOR, JUST TAKE OFF THE COVER】 3. Three modes: 【A mode: 】Night light lamp (warm light) Press A again would turn off A mode. 【B mode:】 Switch for light color (monochrome light or colorful light overlay). Note: Press the B button 9 times in a row, model B would turn off. 【C mode: 】 It is for controlling the rotary 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 content 1 x Star Projector 1 x USB cable 1 x User ManualColorBlackSize12.5X12.5X14