Features: Made from aluminum alloy case, lightweight and portable, convenient and practical. Overvoltage, overload, over temperature, short circuit is protected. Equipped with LCD dispalys, you can see the data clearly, very convenient. Smart size, light and compatible, lower noise and no pollution. Perfect for powering smartphones, laptop, tablets, camping equipment and mobile office equipment, and etc.. 12 types optional, 6000W/4000W/3000W, 24 V to 110 V, 24 V to 220 V, 12 V to 110 V, 12 V to 220 V, you can choose according to your demands.