Waterproof Level upgrade: IP68, moisture-proof & anti-shock protection. Equipped with smart chip for full protection against over/under voltage input, over-current, overload, over-temperature, and short circuit. Improved heat dissipation with upgraded fin-type heat sink and thick aluminum plate inside fixture for efficient heat dissipation and long life. Sturdy and safe construction with die-cast aluminum shell and high-quality design. 96% conversion efficiency with synchronization rectification technology and multiple intelligent protection functions for high efficiency and stability. Color: Silver Material: Metal Size: 7.4 x 7.4 x 3 cm Package Contents: 1 x DC 48-12V 20A Voltage Converter Note: Light and display differences may cause slight color variation from the actual item. Measurement error allowed is +/- 1-3 cm.