Pls mind the polarity "+""-" of 12V input. it won't work when it's connected the wrong way. Any questions pls contact FlashWolves customer service. • Providing a reliable on-the-road power source for your notebook,laptop,cell phone and other portable electronic devices. • An ideal power solution for mobile professionals,travelers and anyone who needs portable power. • Product Specification: Input Voltage: 12V DC, Output voltage: 110V~120V • Dual USB Port Output: DC 5V, 3.1A rated. One USB with 1A and the other with 2.1A • Indicator: Green-operation, Red-shutdown. • Over Voltage Shutdown: DC 15V-16V, Low Voltage Shutdown: DC 10V-11V Optimal Use and Precautions : For DC12V and Car ONLY, not applied for DC 24V and airplane use. • Not a storage battery, but an inverter turns DC into AC, power needed. • Avoid placing the inverter into sunlight directly or next to heat-sensitive materials to protect Inverter from getting too warm. • Get to know its voltage using range, not allowed high power electric devices such as hair dryer, electric heaters, curling iron and etc. • Package List • 1 x 300W Power Inverter • 1 x 20 inch cigarette lighter plug • 1 x User Manual • 1 x 2pcs 27inch wire with big alligator clip • Convenience: 5V Dual USB will be always open and available to charge any of your USB devices even you turn off the Socket 110V switches, but you must connected with the 12V input. But, 110V socket output will be according your swiches off/on. It's much much convenient and protect your devices.
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