Features: 1.The input voltage of the product is DC12V/24V, as long as it is installed in this range, the installation range is very wide. 2.3A dual USB charger, can supply power to mobile phones, tablets, GPS, etc. 3.The product has a cigarette lighter and a dispensing cigarette butt, which can be used for cigarette smoking. 4.Product independent switch, ready to use, no need to turn off at any time, no waste of battery power, reduce line loss, protect battery 5. The product comes with a 20A fuse to protect the charger line and the safety of the equipment. When the output current is greater than 20A, the fuse will be 6.The product has an electronic clock, you can watch the time anytime and anywhere, so that you can ride your phone without taking the phone or watch it. 7. The product has a voltmeter, which can detect the battery voltage at any time to prevent safety hazards caused by battery damage.