Mphamvu yapamwamba kwambiri yokhudza kugwedezeka, magwiridwe antchito abwino kwambiri oletsa kuphulika kwa kutentha, kusungunuka kosasunthika, kulimba bwino komanso kulimba, mawonekedwe ofanana, kutsirizika bwino kwa pamwamba, kuchepetsedwa pang'ono kwa kapangidwe, kutsatira RoHS.