About this item 1.ATTENTION: For your safety with your vehicle, we recommend that you do not use it on 24V vehicle, but only on 12V vehicle. Plugging it into a 24V plug may cause overheating and Damage your car cigarette lighter. After heating finished, unplug and allow it to cool to room temperature. If the car food warmer doesn't work well,please contact us immediately.Attention:our 12V car lunch box only have one connect cord suitable for car cigarette lighter,it can't work on wall…