Shell material: aluminum alloy and ABS Product color: black, silver, gold, Total output: 15.5W (MAX) USB1 output: 5V-3.1A (MAX) USB2 output: 5V-3.1A (MAX) Features : 1. Car battery voltage with LED display, mobile phone charging voltage and charging current monitoring at the same time 2. Simultaneous power supply with dual USB ports 3. Built-in management chip, intelligent diversion and fast charging will not hurt the machine 4. Adopt aluminum alloy material and streamlined design of the shell, processed by 18 processes such as CNC machining, polishing, sand blasting, oxidation, laser engraving, etc. 5. Adopt 5-layer circuit protection of high-performance main control bunker, safer for combined use, 6. Metal elastic contact design, suitable for different sizes of cigarette lighters, can carry 12V/24V wide voltage input, compatible with most models on the market 7. Compatible with wide matching, smart adaptation to mobile phones, Bluetooth and tablets, while meeting the main and auxiliary driving charging Package include: 1 x Car Charger