Universal 12V Vehicle Battery Terminal Clip-on Cigarette Lighter Adapter Socket Specifications:This product is design of two heads, one is clip and the other is cigarette lighter interface.Provide dual choice for the air pump and kindly notice that this cable is only for air pump using.The red clip must clamp the positive pole of the battery and the black connection to the negative pole.Sometimes most of the car electronics, such as air compreor which consumes large power.Some car cigarette lighter with the over-voltage protection and the car electronics could not be used directly with it.So our cigarette lighter adapter could greatly connect to use to help solve this problem.Type: Cigarette Lighter AdapterMaterial: Copper-Clad AluminumMax Current: 30AMax Power: 12V x 30A = 360W/24V x 30A =720WFeatures: Clips, Cigarette Lighter Interface, Universal, Vehicle ToolLength: 20cm/7.87" (Approx.)Notes:If use high-power electrical alliances for a long time, kindly notice to start the engine to power the battery.Otherwise it may lead to serious power shortage of the on-board battery and the battery and engine broken.Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Cigarette Lighter Adapter