DC 12V to DC 24V Step Up Converter. (9-20V Wide Range Input) Max Current 10A 240W. Waterproof alloy housing makes the 12vdc to 24vdc converter ideal for use in a wide range of applications including vehicles, security systems, hospital equipment, telecommunications etc 12 to 24 volt converter Built-in over-voltage, under-voltage, overload, over-heat and short circuit protection The 12 to 24 volt step up converter length of the line is about 12CM, slim, small volume, easy installation. High quality and performance. 3 Year Warranty.