2 watt coj teeb pom kev zoo nyob ib puag ncig 100lm – 200lm

nws nyob ntawm lub teeb teeb thiab cov khoom siv (piv txwv li lub lens)

koj xav tau lumen dab tsi rau qhov project? tsuas yog xav tiv tauj kuv rau cov qauv tsim los qhia.