Features: This bucking converter module efficiently steps down 20-70V input to adjustable 2.5-58V output, delivering up to 30 a current and 800W power for highly demand electronics like LED arrays and industrial equipment. Engineered with intelligent temperature controlled cooling fan, it ensures stable operate while offering input reverse polarity protections and low voltages cutoff for device safety. Perfect for electronics engineers, solar systems installers, and enthusiasts working on power supply projects requiring precise voltages regulation in automotive, laboratory, or energy applications. Optimized for LED driver circuits, battery charging stations, and robotics systems where consistent 30 a power delivery with wide voltages adaptability is critical for industrial grade performances. The compact PCB based design integrates clear statuses indicators and screw connection, enabling effortless installation in confined space while maintaining reliability operate across -20℃ to +50℃ environment. Specifications: Component: PCB, Metal Size:Approx.154x75x69mm/6.06x2.95x2.72inch Input to Output voltages Ranges: DC20V~70V Input to 2.5V~58V Output Most input current: 20A Most output current: 30 a Most power: 800W Package Includes: 1pc bucking 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.