【Quick Charge 3.0】Designed with dual USB ports supporting QC 3.0, whose max single output is 18W. Built-in official Qualcomm smart chip, will intelligently detect your devices and simultaneously charging 2 devices at optimal current. Charge compatible devices up to 4 times faster than conventional charging

【Multiple Protection】Made of heat-resistant ， Certified by CE & UL2089 with Over-load, Over-current and Short Circuit Protection to ensure charging safety, meanwhile, built-in Smart IC ensures the circuit won't be burnt out if wrong wiring.

【Widely Compalitity】This QC 3.0 USB charger socket fits for 12-24V car, boat, marine, motorcycle, ATV, RV etc. Suitable for charging mobile phone, GPS, digital camera, PDA and other USB accessories, backward-compatible with QC 2.0 &1.0, provides standard charging for non-Quick Charge devices.

【LED Voltage Display】 builts in digital LED voltage monitor, dispalys the real-time accurate voltage status of your vehicle's battery for preventing problems caused by low voltage, the light also makes quick and easy to find USB ports in the dark or at night,

【Superb Quality Control】Electrical tests were performed (voltage, power, temperature, and insulation resistance test) and assembled so that it will have strength and rigidity to resist the abuses it may encounter. These tests meet CE and UL2089 certification. Our products are guaranteed best quality.