Raws li peb tau piav qhia luv luv ua ntej, LED dej nyab teeb siv tsawg dua Watts dua li lawv cov halogen counterparts - yog li lawv siv zog tsawg dua. Tab sis qhov no puas txhais tau tias lawv tsis ci li?
Hauv luv luv: Tsis yog. Koj tuaj yeem cia siab tib theem ntawm qhov ci los ntawm LED dej nyab lub teeb raws li lub teeb halogen. Brightness tsis ntsuas hauv Watts. Nws yog qhov tseeb ntsuas hauv lumens. Nco ntsoov saib lumens thaum hloov lub teeb halogen nrog rau lwm qhov LED.
Piv txwv li, peb 30W Philips slim LED dej nyab teeb kab teeb 3750 lumens ntawm lub teeb - sib npaug rau 300W halogen teeb pom kev zoo, thaum siv hluav taws xob tsawg heev.
Qhov tseeb, yog tias peb xav txog qhov ci ntsa iab ntawm 'lumens per Watt', ces LED dej nyab teeb pom kev zoo dua li lawv cov kev xaiv halogen!
