¡Gracias por visitar nuestra tienda DSI ! Estamos encantados de que hayas venido a ver nuestros productos, no olvides utilizar el área de preguntas si tienes dudas. ALUMINUM ALLOY BODY USB ADAPTER 12V USB car boat truck bike motorcycle or RV outlet built with high quality aluminum material for a more stylish and elegant USB power outlet adapter . The advanced scratch resistance full aluminum alloy body is both durable and corrosion free making it ideal for boat vesels and maritime use QUICK CHARGE 3.0 Designed with dual QC 3.0 USB ports this QC 3.0 USB charger socket charges two compatible devices simultaneously up to 4 times faster than conventional charging backward-compatible with QC 2.0 1.0 provides standard charging for non-Quick Charge devices. VOLT METER FUNCTION Comes with LED voltmeter which monitories the vehicles battery and electrical system automatically indicating the car voltage in the screen dual USB charger socket will let you know the health of battery while driving. Battery between 14.8V to 13.4V is high when your car is on and moving. Battery between 12.8V to 12.2V is normal when your car parked and power off. Battery below 12V change the battery as soon as possible. HIGHLY COMPATIBLE AND VERSATILE Fit for 12-24V car boat marine motorcycle ATV RV etc. This 12V/24V power outlet is suitable for charging iPhone 8/ 8 Plus/ X/ 7/ 6S Samsung Note 9/ Galaxy S9/ S9+/ S8/ S8+/ S7 iPad android tablets power banks video games controllers sports watch etc. NOTE iPhone series does not support fast charging charging the iPhone is normal speed. ALL-ROUND PROTECTIONCertified by CE ROHS with alarm and Over-load Over-current and Short Circuit Protection to ensure fast safe charge for your devices.