Descriptions: Weight(Kg):0.2Power Supply: 3*AA BatteryWattage per Bulb:1WMaterial:ABSOverall Size (Inches): L4.53" * W5.12" * H4.53"This blue LED star master night light revolving starry light projector with music， brings romance and more fun to your kids room， sure they will live this!.Features:.Material: ABS， electronic components.Size: 4.53*4.53*5.12 inch.Power source: 3*AA battery， or AC adapter (NOT INCLUDED)