Modified sine wave power inverter 420W for car truck vehicles1、12/24VDC to 220VAC: Provides 220V AC outlets continuous DC to AC power output, convert 12/24V DC battery power to standard 220V AC, with 1 AC socket and 4USB ports. 2、Charging Function: 220V AC outlets is used to charge large devices such as laptops and tablets, and the USB charging port is used to power USB compatible devices. 3、Safe and Reliable: The advanced car inverter has automatic protection for overload, overvoltage, overtemperature and short circuit. The aluminum alloy shell is strong and beautiful, light and handy, convenient and practical. 4、Multifunction: Can be directly connected to a cigarette lighter or 12V/24V battery for emergency, hurricane, storm, snowstorm, power outage, mobile phones, laptops, electric lights, digital cameras, breast pumps, electrical tools and other electronics. 5、Ambient Light: Voltage converter is desgined with colorful ambient light, it will light up as long as the inverter switch is turned on after power on.