Description:Whats Upgraded This 12V USB Outlet added a touch ON/OFF switch and output is updated with dual QC3.0 usb ports, LED voltmeter to show the voltage status of car battery in time, features energy-saving and devices protection, prevent the battery from being drained, 4X faster than conventional charging. ON/OFF Touch SwitchHas on/off touch switche for power control. Prevents power outflow, save energy and extend the service life of product and equipment. The led lights easy to find in a dark and allow people to check if the connection is successful. Quick Charge 3.0 USB OutletsDual USB Car Sockets max power up to 36W, that's charge two devices from 0 to 55% simultaneously in 35 minutes; provides 4x faster charge speed for compatible devices. LED Voltage DisplayWith LED voltage monitoring function, it automatically display the voltage of car battery, so that you can see the car health in real time, to prevent problems caused by low voltages during travel. Full Protective CapWater-proof and dust-proof transparent cap, truly provides full coverage and efficient protection. Different from the other product on the market. Even if the cap is closed, the vehicle voltage can be clearly displayed. Besides, the cap can be removed if necessary. Wide CompatibilityFits for DC 12/24V car, boat, marine, motorcycle, ATV, RV etc. This USB Socket is suitable for charging iPhone11 /X/ XS MAX/ 8 Plus/ 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.) Reassuring Product QualityAdopted PA66 environment-friendly nylon material, certified by UL & ROHS with Over-load, Over-current and Short-Circuit protection, to ensure charging safety and equipment safety. Specification: Rating Voltage: 12-24V USB Output: DC 3.5-6.5V/3A, 6.5-9V/2A, 9-12V/1.5A5V/2.1A, Max36W Material: CopperABS Plastic Operating Temperature: -40 to 70 Wide Application: cars, motorcycles, ATVs, SUVs, UTVs, Boats, etc Multi-purposes: supply power for cellphone, tablet, GPS and other USB-devicesKindly Reminder: 1. The " " is to positive, and "-" to negative. 2. For vehicles, it's recommanded to get power from fuse box, while for the motorcycle, better connect to the wires of the key switch. 3. The led light will show up after the item is connected to the battery. 4.color: red, blue, green Package Include: a.1 x Dual 2.1A USB charger socket no Switchnot included 1 x 23.6 Inches Wire; 1 x 10A fuse) b.1 x QC 3.0 USB charger socket with Switch; 1 x 23.6 Inches Wire; 1 x 10A fuse c.1 x QC 3.0 USB charger socket with Voltmeter & Switch; 1 x 23.6 Inches Wire; 1 x 10A fuse