Siffofin matsin lamba wani na'ura ce da za ta iya auna daidai da kuma fahimtar matsin iska ko ruwa, wanda ke canza yawan matsin lamba na lantarki zuwa siginar wutar lantarki wanda za'a iya sarrafa shi kuma ana iya sarrafa shi. A cikin mota, masana'antu, likita da sauran fannoni, firikwensin matsin lamba suna taka muhimmiyar rawa. Musamman ma a cikin bangarori na motoci, ana amfani da na'urori masu amfani da matsin lamba kamar injin din injin, kayan kwalliyar taya don tabbatar da lafiya, kwanciyar hankali da ingantaccen aiki na abin hawa. Wadannan bayanan sirri masu hankali da canje-canje matsin lamba a cikin ainihin lokaci, taimaka wajen tsara tsarin abin hawa don tabbatar da amincin direbobi da fasinjoji.