This product is a converter, which is made of durable electronic component and PCB material, with good texture, sturdy and practical. Easy to install and use, it can be easily applied to your equipment, a very practical accessory that will meet your needs well. Features -Color:Assorted Color -Material:PCB, electronic component -Size:3.30X2.10X0.80cm/1.30X0.83X0.31in Input voltage range: 6V-32V Output voltage: 5V by default, automatically adjusted between 3-12V after triggering fast charge Output power: up to 24W (5V3.4A, 12V2A, etc.) Conversion efficiency: 90%-97% - This Electronic Voltage Stabilizer is constructed from PCB materials, making it sturdy and dependable for extended use. - This Step down Converter Board is an ideal add-on for those seeking to enhance their charging capabilities. - The quick charging module boasts both practicality and elegance, elevating the appearance of your gadgets. - that your devices are consistently charged and prepared for use. - Its small and lightweight design allows for effortless portability and practicality. Package list: 4 x adapters