Converts vehicles 12 Volt DC to 110/120 Volt AC. Feature state-of-the-art circuitry to handle temporary high surge loads. Low power consumption ensures longer battery life. 90% efficient, solid state design means you get the most from your vehicle battery. Inverter shuts down from: over-voltage, under-voltage, overload or over-temperature. Completely silent operation. Gradually and safely ramps up the output voltage to start difficult motorized loads and protects sensitive appliance circuits. Turbo Cooling- Extends life of the product by keeping components cooler. Do not exceed maximum wattage rating for inverter.