Features:Converts DC 12V from car cigarette lighter socket or battery to AC 110V outlets.2 AC outlets, 2 cigarette lighter sockets and 4 USB charging ports, great for charging laptop, TV, DVD players, lights and other electronic devices.Over temperature protection, short circuit protection and overload protection.Stable and precise output voltage, built-in cooling fan with low noise.Stable voltage and frequency output are more stable. A must have for outdoor trips.