Nominal 3V LED teeb hlaws, qhov tseeb, cov xim sib txawv muaj qhov xav tau sib txawv rau tam sim no. Lub teeb daj xav tau qhov tsawg tshaj plaws tam sim no, tom qab ntawd liab, ntsuab, dawb, thiab xiav. Yog tias tam sim no loj dhau, cov ntsaum yuav hlawv.
Siv roj teeb 2.4V rov ua dua, lub teeb daj yog qhov yooj yim hlawv, vim tias txawm tias qhov hluav taws xob tsis siab, tab sis tam sim no loj dhau, nws tseem yuav hlawv. Thaum siv lub roj teeb khawm, txawm hais tias lub pob roj teeb hluav taws xob yog 3V, lub pob roj teeb tso tawm tam sim no me me heev, yog li 3V LED teeb hlaws yuav tsis raug hlawv. Yog li ntawd, thaum siv LED teeb hlaws, koj yuav tsum xaiv lub zog tsim nyog, xyuam xim rau qhov hluav taws xob thiab tam sim no.
