Features: Multiple protection functions: input over-voltage, under-voltage protection; output over-current, over-voltage, under-voltage, and short-circuit protection; reverse connection protection; chip internal high-temperature protection. USB 1 outputs 5V 2.4A and supports DCP BC1.2/Apple Divider3/Samsung 1.2V fast charging protocols. Fully compatible with various tablet computers. USB 2 output voltage has three output schemes: 5V3.4A/9V2.5A/12V2A. Supports fast charging protocols including DCP BC1.2, Apple Divider3/Samsung 1.2V. Made of aluminum alloy and ABS material, resistant to high and low temperatures, flame retardant and environmentally friendly, with a high safety factor. Digital display voltmeter allows battery status to be viewed at a glance. Product includes mounting hardware, terminals, and screws for convenient and secure installation. Power outlet can supply power to external car equipment and can also be used to charge mobile phones, tablets, GPS devices, and more. Package Includes: 1x 12V Outlet Socket 4x Screws Specifications: Material: Aluminum Alloy + ABS Size: Approx. 17x9.2x5cm / 6.69x3.62x1.96in Color: Black Input Voltage: DC 12V Normal Output: 5V/2.4A Quick Charge Output: 5V/3.4A; 9V/2.5A; 12V/2A USB Ports: One standard USB and one QC 3.0 fast charge port Product Use: USB ports can power mobile phones, tablets, iPads, GPS, and other vehicle-mounted devices. Compatible with cars, motorcycles, ATVs, RVs, SUVs, boats, yachts, and other vehicles. Note: Please allow 1-2cm error due to manual measurement. Please ensure you are comfortable with this before purchasing. Due to differences in monitor displays, the image may not reflect the actual color of the item.