RoyPow 120W (Max 150W) Power Supply AC to DC Adapter 110V/120V to 12V Car Cigarette Lighter Socket 12V/10A DC Power Converter Transformer Used to convert any 100V~120V AC household current to 12V DC power; The unique female cigar lighter socket is beneficial to allow many vehicle electronics to be used at home or in other environments. Heavy-duty 120W rated power and 150W max power are available to power almost all of the common vehicle electronics, such as air compressor, car tire inflator, car diffuser, car oxygen bar, automotive refrigerator, car TV, car cleaner, automotive razor and vehicle power amplifier etc. Built-in cooling fan avoids overheat, makes it reliable to continue working all the time. Exclusive multi-protection circuit system protects the personal and property from any potential damage hazard. Compact and portable, easy to carry and store.