Features: This boosting bucking converter module automatically adjusts input voltages from 3V to 15V, delivering stable 3.3V/5V output with intelligent voltages conversion for electronics and embedded systems. Featuring wide input voltages ranges, compactly PCB design, and 85%+ conversion efficiency, it ensures reliability power management in fluctuating environment while maintaining lightweight portability. Ideal for electronics engineers, enthusiasts, and robotics developers requiring adaptable voltages regulation for prototypes, sensors, or portable devices. Perfectly power battery operated projects, solar powered systems, and unstable scenario where consistent 3.3V/5V supply is critical for microcontrollers or module. Engineered with automatic step up/step down technology, this module eliminates voltages matching headaches, enabling seamless integration into drones, LED arrays, and industrial automation equipment. Specifications: Component: PCB Size:Approx.19x14mm/0.74x0.55inch Input voltages: 3V-15V Option Output voltages: 3.3V,5V; Output Current: 600mA Conversion efficiency: 75% Operating frequency: 1200kHz Applicable scenario:project,Embedded systems; Package Includes: 2pcs Automatic bucking boosting Converter Module note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.