Description This product is a buck converter, which is made of durable electronic component and PCBmaterial, 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:As Shown -Material:PCB, Electronic Component -Size:3 30X2 10X0 80cm or 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 percent -97 percent -This DC step-down module can convert a 12v or 24v power supply to a USB 3 0 fast charging output, providing fast charging for your devices -Equipped with a single USB port, this phone charging board can deliver quick charging to your devices -This buck converter is widely applicable for various power supply modifications, making it a versatile tool for your charging needs -With long-term use, this DC-DC voltage regulator can operate without damage, ensuring reliable and consistent performance -Featuring a simple design, this Power Supply Regulator is easy to use and can be integrated into your charging setup with ease Packing list: 2 x Buck Converters