Waterproof Level: IP68, moisture-proof and anti-shock protection. Advanced safety features: Built-in smart chip provides full protection against over-voltage, under-voltage, over-current, overload, over-temperature, and short circuit. Improved heat dissipation: Upgraded fin-type heat sink with thick aluminum plate inside fixture for efficient heat dissipation and extended lifespan. Durable and safe construction: Die-cast aluminum shell with high-quality design. 96% conversion efficiency: Synchronous rectification technology with multiple intelligent protection functions for 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: Other items not included. Light and display settings may cause slight color differences from the actual product. Measurement error allowed within +/- 1-3 cm.