Note: DON'T use this AC DC Converter to run Car Refrigerator even their rated ampere are under 5A!!! NOT compatible with any devices whose start/working current might surpass 5 Ampere. Only great for car-powered devices UNDER 60W. Converts 110-volt AC power from wall outlets into 12-volt 5A DC current to power car appliances and accessories and as car cigarette ligher socket. Works perfectly with Any car powered devices under 60W including Tire inflator, Vacuum Cleaner, Car Refrigerator, Car Massage Cushion, Car Air Fan, such as cooler, fans, electric seat warmer, vacuum cleaner, kettle and more, portable cooler/warmers, heated seat cushion and other DC appliances, but the 12V adapter CAN'T operate on your devices if your device’s load power is bigger than 60W or your device’s rated current is bigger than 5A.(Under 60W)