Nrog rau xyoo ntawm kev paub nyob rau hauv kev tsim cov LED teeb tsa lub teeb , , yog tias koj xav tau, thov tau txais peb cov tau zoo sib xws ua haujlwm . sijhawm ua haujlwm online raws li LED kev ua haujlwm raws sijhawm . Ntxiv rau cov khoom lag luam hauv qab no, koj tuaj yeem hloov kho koj tus kheej cim LED kev ua haujlwm raws teeb raws li koj cov kev xav tau tshwj xeeb.