Ideal for decorating weddings, birthdays, and parties. Perfect as a romantic night lamp or decorative lighting. Power source: 3 x AA batteries (not included) or USB cable (adapter not included). This new cosmos star projector lamp brings the beauty of the universe into your home, projecting colorful rotating starry skies onto walls and ceilings. Experience a dynamic celestial display with multiple lighting modes and color options. Easily find your favorite constellations without leaving your room. Specifications: Material: ABS Switch Type: 3 Push-Button Voltage: 5V Light Source: 4 LED Bulbs Operation Manual: Choose between two power options: USB cable or AA batteries. 1. Insert 3 x AA batteries into the battery compartment with correct polarity, then replace the cover. 2. To use as a nightlight, keep the lid on. To use as a projector, remove the lid. 3. Three Modes: - Mode A: Nightlight (warm white light). Press A again to turn off. - Mode B: Color switch (cycle through solid and multicolor lights). Press B nine times in succession to turn off Mode B. - Mode C: Rotation control (enable or disable rotation). Press C again to stop rotation. Note: USB cable and batteries cannot be used simultaneously. Package Contents: 1 x Star Projector 1 x USB Cable 1 x User Manual