materials ensure reliable performance and extended service life. Enhanced performance with power upgrade and built-in cooling fan. Easy to use with stable operation. Precision-engineered design with well-organized components. Wide application range: suitable for solar energy systems, battery charging, and other DC voltage reduction applications. Input: DC 25–120 V Output: Adjustable DC 1.2–75 V Maximum Current: 20 A Maximum Power: 600 W (current decreases proportionally with larger input-output voltage differentials, based on thermal conditions) Equipped with reverse-polarity protection diode at output. Slight variations in appearance may occur between production batches; functionality is unaffected. Color: As shown in image Material: PC + Aluminum alloy Package Includes: 1 × Adjustable DC-DC Buck Module Note: Colors may vary slightly due to screen settings and lighting conditions. Measurement tolerance: ±1–3 cm.