Waterproof Level upgrade:IP68,moisture-proof & anti-shock protection.<br> More :built in smart chip, full protection against over/under voltage input, over-current, overload, overhead, over-temperature and short circuit.<br> Better Heat Dissipation:Upgraded fin type heat sink with a thick aluminum plate inside fixture to help to dissipate heat more efficiently..<br> Sturdy and Safe materials:die-cast aluminum shell and high quality design.<br> 96% conversion efficiency:Synchronization rectification technology-multiple intelligent protection function with high conversion efficiency and stability.<br> Colour: silver<br> Material: metal<br> Size: 7.4x7.4x3cm<br> Package Contents:<br> 1 * DC 48-12V 20A Voltage Converter<br> Only the above package content, other products are not included.<br> Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.