Ụlọ ọrụ na-ahụ maka ọkụ China na-enye ọkụ ọkụ 900 lumens

Olee otú ole watts maka 900 lumens ada downlight?

Ọ ga-abụ 9-10w. Ọ bụrụ na mmepụta lumen LED bụ 120lm / w, CRI 80

80% nkwụsị ọkụ, njedebe ọkụ ọkụ na-emepụta lumen ga-abụ 120 × 80% = 96 lm / w

Dabere na 96lm / w, ike maka ọkụ ala ga-abụ 9-10w.