Compact design ion generator, purifies the air. Selling due to replacing my car. #Model Name: PCDNZ-WM2 #Power Supply: USB #Size: 7.6cm depth x 7.6cm width x 15.7cm height #Rated Voltage: DC12V #Rated Power Consumption: 3.8W #Manufacturer: Sharp #Seller: Denso Instruction manual included. Operation confirmed. This is a cylindrical, compact plasma cluster ion generator that can be placed in a standard car cup holder, and it also has an engine interlock function, making it a great item. A separate, dedicated AC adapter (sold separately) is required for use with a household power outlet. Thank you for viewing.