Features: Boosters Buckk Converter Module with 2.8V-16V wide input ranges delivers adjustable 3.3V-9V output at up to 2A, ensuring stable power for diverse electronics. Featuring 92% efficiency and built in protections (over current/voltages/short circuit), this PCB module integrates seamlessly into space constrained applications. for electronics engineers, enthusiasts, and product developers requiring voltages regulation in portable devices and iots systems. Power drones, robotics, automotive electronics, and solar powered projects where stable voltages conversion is critical across varying input sources. Optimized thermal management maintains safe operating temperatures during continuous use, while screw terminals enable toolless installation for rapid prototyping. Specifications: Materials: PCB Size: 22x17.5x4.6mm styles: 3.3V, 5V, 6V, 8.4V, 9V, adjustable 2 to 8V(optional) Package Includes: 1PC voltages Converter Module note: Please allow 0-1cm error due to manual measurement. make sure you not mind before bid. Due to the differences between different monitors, the Pictures may not reflect the actual of the item.