Waterproof Level upgrade: IP68, moisture-proof & anti-shock protection. Features 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. Constructed with die-cast aluminum shell and high-quality design for durability and safety. 96% conversion efficiency with synchronous 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 settings may cause slight color differences from the actual product. Measurement allowance is +/- 1-3 cm.