1、Compact size, lightweight and portable, cost-effective, easy to take out and will not occupy too much space. 2、Thickened metal appearance, aluminum alloy frosted housing, anti-scratch, fire-resistant and wear resistant, full of texture. 3、Positive alloy contacts, fine conductivity, anti-oxidation negative spring, with fine durability, and can provide long service time. 4、Built-in intelligent chip, with multiple protections functions, high voltage, low voltage and short circuit protections, safer to use.. 5、High power design, suitable for multiple devices, support cellphones, vacuum cleaners, humidifiers, car chargers and other devices. 6、Multi-jack design, three cigar lighter holes and two USB interfaces, you can choose according to your multiple use demands. 7、12 volt and 24 volt universal, connect to 12 volt car output 180W, connect to 24volt car output 360W, suitable for small cars, SUVs, trucks and other models.