Hais txog 4 nti puag ncig coj cov teeb pom kev zoo, peb pom zoo peb cov qauv, nws yog peb cov khoom muag zoo, siv cov khoom lag luam zoo LED (epistar/cree) thiab tsim nyog coj tus tsav tsheb (lifud/eaglerise/philips), muab 3 xyoo lav thiab muaj tus nqi zoo heev.

Yog tias koj nyiam nws, tsuas yog xav tiv tauj peb kom paub ntau ntxiv.