Towing mirrors are specifically designed for towing trailers.YITAMOTOR Towing mirrors extend outward further than the standard truck mirrors, increasing your rearward vision to help provide a safer towing experience. Enjoy free shipping!adjustment method:Power, color:Black, placement:Left, placement:Right, fold away:Manual fold, interchange part number:5C3Z-17683-EAA, interchange part number:5C3Z17683EAA, interchange part number:5C3Z-17682-EAA, interchange part number:1999, special features:Extendable, heated, material:Plastic, warranty:1 Year