Cov cheeb tsam hauv cov npo sab hauv feem ntau ntawm tsawg dua 1 square meter mus txog ntau tshaj kaum square metres. Cov lus qhia hauv LED yog siv nyob rau sab hauv tsev. Cov lus zoo li no muaj qhov pom kev nruab nrab, qhov pom kev sib tw loj, luv xim sib tov sib xyaw, lub teeb yuag, thiab qhov ntom ntom zoo, thiab tsim nyog rau qhov sib txawv ze. Saib.
Thaj chaw sab nraum zoov feem ntau thaj tsam li ntawm ob peb square metres mus rau kaum ob lossis ntau pua square meters. Qhov teev ntom ntom yog qhov sib txawv me me (feem ntau 2500-10000 dots rau ib lub 'meter'), thiab lub teeb ci ntsa iab yog 5500-8500cd / square meter (qhov sib txawv thiab qhov sib txawv ntawm lub teeb ci), uas tuaj yeem siv hauv lub hnub Thaum siv nyob rau hauv tshav ntuj ncaj qha, qhov pom kev deb yog kaum tawm meters, thiab lub vijtsam muaj cua zoo thiab nag tsis kam thiab muaj peev xwm tiv thaiv xob laim.
