Specifications Input: 10...15 VDC Output: 230 VAC +/- 5 %, 50 +/- 3 Hz, modified sine wave, 300 W nominal, peak 450 W for a short time Inverter efficiency: more than 90 % Built-in cooling fan: 38 mm diameter Power cords: for the cigarette lighter 0.45 m, the crocodile clips wires 0.6 m Operating environment temperature: -10...45 Celsius degrees Protection: overheat 65 degrees; input voltage out of 10-15 VDC range; overload > 2.2 A Material: aluminum and plastic LED status indicator Replaceable fuse Dimensions: 186 x 102 x 59 mm Net weight: 0.75 kg System requirements Safety precautions: A car cigarette lighter normally provides power up to 240 W. If your electrical equipment consumes more than 150 W make sure the cigarette lighter does not get hot, otherwise reconnect the invertor to car's accumulator directly, being careful with the polarity.