Features: 5 sets of projection film are included in different patterns(Happy Birthday, Moon and Starry Sky, Solar system, Ocean) Rotates at 360-degree, provides a fantastic moving sky on your ceiling or walls. 4 Light Projection Modes to choose as your want. Romantic and festive atmosphere builder, help to soothe and relax yourself. Power by 3 x AA battery (Not Included) or USB cable(Adapter not include). Ideal for decorating baby room, children's room, wedding, birthday, festivals, parties etc. Specification: Material: ABS+PC Dimension: 13.3X12.7cm/5.2"x5" Power Supply: USB cable or 5V AC adapter Package Content: 1*Diamond Projection Lamp 1*Charging Cable 5*Projection Films (Solar system film already installed) Notice: 1. Please remove the cover top then the projector works. 2. The room has to be dark for the projection effect to be visible. 3. Don't use USB cable and batteries to power the lamp at the same time.