Size: Diameter 2.6 inches (66 mm) x Height 7.1 inches (180 mm); Product Weight: 0.4 Kg; Material: Aluminum/ABS resin; Power Supply: DC 5 V; Car DC Adapter DC 12 V/24 V; Power Consumption: 0.16 A (low)/0.25 A (medium) Specifications 2: Operating sound: 30 dBA (low), 35 dBA (medium), 40 dBA (high). Specifications 3: Comes with a standard cigarette lighter socket power supply that can be used in vehicles.