Waterproof Level: IP68, moisture-proof and anti-shock protection. Built-in smart chip provides full protection against over-voltage, under-voltage, over-current, overload, over-temperature, and short circuit. Improved heat dissipation with upgraded fin-type heat sink and thick aluminum plate inside for efficient heat dissipation and long life. Sturdy and safe construction with die-cast aluminum shell and high-quality design. 96% conversion efficiency with synchronous rectification technology, multiple intelligent protection functions, high efficiency, and stable performance. Color: Silver Material: Metal Size: 7.4 x 7.4 x 3 cm Package Contents: 1 x DC 48-12V 20A Voltage Converter Note: The above package includes only the listed item; other products are not included. Lighting and display differences may cause slight color variations between the image and the actual item. Measurement error allowed is +/- 1-3 cm.