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.