SHE'O&reg; Dreamlike purple 3D universe space starry sky USB Car Cigarette lighter roof logo laser projector shadow ghost LED light lamp projection light atmosphere reading light ON/OFF Plug and Play 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)