Padaday 3D Blue Universe Star Sky Space CREE LED Car Dome Ceiling Cigarette Lighter Logo Laser Projector Light lamp Car Dome Logo projection Decoration Lamp Operating Voltage: 12-24V ; Current:2.1A ; Output power: 3~5w USB mobile phone charger port Operating temperature: -40C~105C Size: Length(25cm) ; Diameter(2.3cm)