1.1.8mm cold-rolled steel 2.led light aside and front 3.letter display screen 4.broadcaster/loud speaker 1:The appearance is generosity , domineering.2: Both sides can be equipped with light source.3: New technology , tempered glass panels ,scratch resistant ,anti burst4: The car paint , the three layer coating process , never fade. 2013 the most popular and high quality cost-effctive barcode& ...