179W Cigarette Lighter Adapter: JOYROOM Cigarette Lighter USB Charger equipped with 4 charging ports and 3 cigarette lighter adapter sockets, which provide 179W in total. Car Charger Adapter Fast charge 7 devices simultaneously in your 12V/24V vehicles. This Car Charger is definitely the best companion for your travel/camping! (Total power output must not exceed 120W when using all three cigarette lighter ports at once.) Super Fast PD30W Charging: The usb c car charger supports PD30W, faster than PD20W. The built-in Intelligent chips of the fast car charger adapter auto-recognize the distribution current for simultaneous fast charging, compatible with iPhone 17/Samsung/Motorola/TCL/LG, etc Wide compatibility: Compatible with 12-24V vehicles (SUVs, trucks, MPVs, RVs, off-road vehicles, etc.), the USB ports work with FM transmitters, phones, tablets, and GPS, while the cigarette lighter sockets fit air purifiers, car vacuums, inflators, and heated seats. (No electrical device connection when vehicle is unused for long — avoid battery drain.) Real-time voltage display: The real-time LED voltage display monitors your car battery’s output, alerting you to replace aging batteries promptly: 12V vehicles (normal range: 11.5V-14.9V) and 24V vehicles (normal range: 23.1V-27.3V). Every cigarette lighter socket comes with an independent power switch, eliminating repeated plugging/unplugging Multiple safety protections: Built with an intelligent IC chip, it auto-recognizes devices to distribute current for fastest charging. Replaceable fuses (2 included) provide protection against overcurrent/overvoltage/short circuits/overheating; UL/FCC/CE/RoHS certified for reliable use. JOYROOM Care Most About You: If you receive the cigarette lighter adapter broken or doesn't match your car, please contact us directly to find the best solution. (What you get: 1*Cigarette Lighter Adapter, 1*User Manual,1*Velcro, 2*Spare Fuse)