Manambala 4 a LED kuti awonetse kukakamizidwa munthawi yeniyeni
Wokhala ndi sensa yapamwamba kwambiri yothamanga,
Kutulutsa kwamtundu wa relay, malire apamwamba ndi otsika osinthika
Kuwongolera mochedwa, kuwongolera kumbuyo, kuteteza kutayikira, chitetezo chachinsinsi