1.Universal for cars/trucks: 12V/24V to 220V, compatible with a variety of models, power supply to multiple devices at the same time without pressure, stable output 2.Frosted texture, feel comfortable. Anti-electrocution safer 3.The built-in safety protection door in the jack effectively prevents children from accidental electric shock 4.LED digital display, real-time monitoring: real-time monitoring of current and voltage, effectively protect the battery and electrical appliances 5.150W high power + 4 2.1A USB + 2 Type-C + 2 220V universal 2-in-1 socket