4 amadijithi LED ukukhombisa ingcindezi ngesikhathi sangempela
Ifakwe inzwa yomfutho ophezulu wokunemba,
Okukhiphayo kwesignali edluliselwe, umkhawulo ophezulu naphansi olungisekayo
Ukulawula ukubambezeleka, ukulawulwa kokuhlehla, ukuvikela ukuvuza kwengcindezi, ukuvikela amaphasiwedi