7-in-1 Powerful Car Cigarette Lighter Splitter:Expand your car’s cigarette lighter from 1 to 3 sockets, plus 4 smart USB charging ports (1 USB-C PD30W, 1 QC3.0, and 2 USB). The 127W output cigarette socket adapter is optimized for real-world use. Power up to 7 devices at once, delivering ample, stable power without overloading your vehicle’s system. Plenty for the whole family.Perfect for road trips, camping, and daily commutes. Supports 12V/24V vehicles. | 3 Expander Sockets: Increase your vehicle's cigarette lighter from 1 to 3 socket multiplier outlets with this 12V/24V car splitter. The sockets' total output is 80W, which can power various devices, including air purifiers, dash cams, tire inflators, car vacuum, refrigerators, humidifiers, pumps, GPS units, and Sat Navs. | PD30W & QC3.0 Fast Charging with Smart IC: The upgraded USB-C port supports PD30W for rapid charging, 3X faster than standard chargers. Built-in intelligent chips automatically distribute optimal current for each device, preventing overcharging, compatible with iPhone, Samsung, Motorola, LG, and more. | Independent Switch & Master Control: Each socket features an individual ON/OFF power switch, extending lifespan and saving battery power. Enjoy unmatched safety and convenience without ever unplugging devices. The unique master power switch on the side lets you safely cut all power instantly, perfect for a car that is not in use or overnight parking, a standout choice for families with kids—avoid accidental power activation and protect the device. | LED Voltage Monitor: The bright, real-time LED voltmeter display monitors your car battery’s voltage to ensure driving safety (12V: 11.5–14.9V; 24V: 23.1–27.3V). Detect battery issues (low/high voltage) early to prevent breakdowns on the road—critical for long trips or old vehicles. Easy-to-read display even in sunlight. | 3.3FT Extended Cord & Wide Compatibility: The 3.3-foot power extension allows easy reach for backseat passengers, designed with long journeys in mind. Ideal for families, SUVs, trucks, and RVs. Your all-in-one solution for travel, camping, or daily commuting.