Features 1、Using aluminum alloy shell and imported high‑quality thermal conductive silicone potting, waterproof, dustproof, shockproof and better heat dissipation 2、Wide voltage input, up to 95% conversion efficiency, long service life 3、Built‑in protection functions such as over current, low voltage, over temperature and short circuit, etc. 4、Including imported components such as Black Diamond, TI and Ruby, with better work efficiency 5、Widely used in automotive, post and telecommunications, communications, electric power, coal mines, aerospace, military industry, monitoring systems, railway signals, medical equipment, instrumentation, display screens, automation control, cable television, wind energy photovoltaic systems, LED markets and other fields Specification Item Type: Voltage Regulator Converter Material: Aluminum Alloy + Silicone Model: WG-12S2830 Input Voltage: DC 12V Input Voltage Range: 10-18V DC Conversion Efficiency: 95% Output Voltage: 28V DC Output Current: 30A Output Rated Power: 840W Waterproof Rating: IP68 Working Temperature: -30℃~+80℃ Product Size: Approx. 18 x 13 x 6.5cm / 7.1 x 5.1 x 2.6in The Wiring Method is as Follows: Input Terminal: Red wire (+) positive, black wire (-) negative; Output Terminal: Yellow (white) wire (+) positive, black wire (-) negative Package List 1 x Voltage Regulator Converter