【ALUMINUM ALLOY BODY】This 12V USB outlet built with high quality aluminum material let your USB power outlet more stylish and elegant. The advanced full aluminum alloy body with a scratch resistance technology, keeps it sturdy and protects it against

【QUICK CHARGE 3.0】Designed with dual supporting 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.

【VOLTMETER FUNCTION】Comes with LED voltmeter which monitories the vehicle's battery and electrical system automatically and indicating the car voltage in the screen, YonHan 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.

【WIDE COMPATIBILITY】Fits 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 PROTECTION】Certified by CE & ROHS with Over-load, Over-current and Short Circuit Protection to ensure charging safety, guard the safety of your devices.