Features: This is a DC-DC step down converter module that convert 6.5V-60V to 1.25-30V, maximum current is 10A. converter module is used for voltage step-down so please make sure that input voltage is higher than output voltage. The module can be remarkably efficient (maximum 97 percent ), making it useful for voltage step-down. Input and output are designed with screw terminals for convenient connection. Widely used for low voltage system power supply, 6V, 12V, 14V, 24V battery charging and regulated power supply Specifications: Input: 6.5V-60V Output: 1.25V-30V(adjustable) Efficiency: 97 percent (Max) Operating Temperature: -40-and85 Load Capacity: 10A(Max) Module Size: 7.1x2.2cm or 2.8x0.87inch Quantity: 1 Pc Note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Contents: 1 Pc x Converter Module