Universal use: Converts 110V~240V AC household current to 12V 2A DC power with extended power cord to reach a wide range Wide Compatibility: Works perfectly with any car powered devices under 24W, such as car air fan etc. Get your car devices used at home now Multiple Safety Protections: Designed with safety in mind. Over voltage protection, over current protection, short circuit protection, over temperature protection. Nothing is more important than security Good anti-interference: AC TO DC Converter output interference is very small, and the output voltage is stable, which can better extend the service life of the external power supply Easy to Use: Just plug it into any power outlet in your home, and it's ready to use for anything that has a cigarette lighter plug