... 12V DC HF105 multifunction taxi topperFeatures of taxi topper:20cmx10cm LED screen at front show taxi running status and advertising words ... Environment-protective material,this taxi topper is made of PP or ABS,the material is no harm to human beings and ... safety,easy to install,no damage to car.Green-energy,LED light inside,less than 2w,can be used more than 50 ...