Car and ship 3-bit combination panel fast charging dual QC3.0+12V female seat small switch car modification car electrical appliances three lights. green light red light blue light Our car charger socket is equipped with 2 USB ports (5V/4.2A). You can charge two devices at the same time. The cigarette lighter socket can provide 12V~24V DC power, which can be used to charge cameras, GPS, seat heaters, vacuum cleaners, humidifiers and other cars, air pumps, air purifiers, etc. Keeps water, dust, debris and hair out of internal circuitry. The updated USB receptacle is designed with an on/off switch to save energy, protect the device and prolong the life of the device. It maintains power and consumes no power when turned off. Digital LED voltage monitoring allows you to monitor vehicle battery and electrical system status in real time. Our USB charging socket adopts aluminum alloy shell and CE/RoHS/FCC certification. Compatible with most 12-24V DC voltage vehicles.