Cov khoom lag luam uas yog AC-DC qhov hluav taws xob tsis tu ncua tuaj yeem tsav cov khoom lag luam, xws li LED zaub.Nws cov yam ntxwv yog tias nws muaj kev ua haujlwm siab, muaj peev xwm me me, qhov tso zis ruaj khov thiab muaj kev ntseeg siab.Nws kuj muaj ntau yam kev tiv thaiv kev ua haujlwm, xws li kev tiv thaiv luv luv, tiv thaiv kub thiab lwm yam.