With 12V DC adapter, users can now have one power solution to convert standard AC electrical outlet power into stable 12V DC output power. This compact treasure with diverse abilities is good for charging batteries or running a range of electronics. It has auto-recognition and multiple-protection technologies, particularly with regard to overvoltage, overcurrent or short circuit, that shows maximum concern for safe use. Additionally, it is equipped with astute voltage regulation so that power delivery is steady. Used extensively in every walk of life, this small tool makes for an indespensible partner - whether you're working with automobiles or boats; aboard planes with communications links open; even in home security systems and elsewhere.