variable-message sign

electronic traffic sign with changeable messages

en-US/ˈvɛɹiəbəl - ˈmɛsɪd͡ʒ ˈsaɪn/
en-GB/ˈvɛəɹɪəbl - ˈmɛsɪd͡ʒ ˈsaɪn/

دسته بندی ها:

electronic road signdisplay device