Hav, qhov no yog ib lo lus nug nthuav! LED teeb muaj peev xwm suav tau tias yog hom hluav taws xob- txuag teeb.
Thaum peb tham txog lub zog- txuag cov teeb, peb tab tom hais txog cov teeb uas siv lub zog tsawg dua li cov teeb pom kev zoo. LED teeb, ntawm qhov tod tes, siv lub teeb -emitting diode thev naus laus zis, uas muaj txiaj ntsig zoo kawg, hloov hluav taws xob ntau rau hauv lub teeb thaum siv hluav taws xob tsawg. Qhov no ua rau lawv muaj zog ntau dua -ntau dua li ntau lub teeb ib txwm siv, thiab lawv kuj siv tau ntev dua thiab tsis tshua muaj kev tawg.
Yog li, LED teeb yeej yog hom hluav taws xob- txuag lub teeb, thiab ib qho zoo heev ntawm qhov ntawd! LED teeb tau dhau los ua neeg nyiam niaj hnub no. Tom qab tag nrho, lawv ci ntsa iab thiab lub zog- ua haujlwm tau zoo- leej twg yuav tsis hlub lawv?