Features: This 12v socket panel designed with 12v USB outlet + LED digital display voltmeter+ 12v cigarette lighter outlet. Multifunctional three-hole panel for DIY demands, detachable to replace other charger sockets or anything else that fits. Convenient to install and operate. The output of this 12V/24V USB outlet is 1A and 2.1A (total 3.1A), which will auto-detect your devices and simultaneously charge 2 devices at optimal speed! The product is equipped with a voltmeter, which can detect the use of car batteries at any for time and prevent accidents caused by poor battery conditions. Wide range of applications: for cars, motorcycles, ATV, SUV, UTV, boats, etc. Multifunction: power for mobilephones, tablets, GPS and other USB devices. Package Includes: 1x Charger Socket Panel Specifications: Material:PC Input:12-24V Output:5V,3.1A Light Color:Red,Green,Blue Size:Approx.14.9x4.3cm/5.87x1.69in Net Weight:94g note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.