Detailed Product Description Single Sound Air Horn,Car Horn,Auto Horn,Auto Parts(JGB-205)ONE TRUMPET AIR HORN WITH LIGHT AND JGK-505 VALVE,OR USE JGK-502 VALVEWHEN YOU MAKE THE HORN SOUND , THE LIGHT WILL LIGHT ! It is very special . AND IT HAVE TWO LENGTHE FOR YOUR CHOICE ,640MM ,740MM 640MM USD 17.8 FOBSHANGHAI 740MM USD 19.2 FOBSHANGHAI .