english: With LEDs, we cannot waste energy providing unneeded wavelengths, but focus our energy in the needed spectrum which falls between 400-550nm and 620-700nm.
non_english: Kanthi LEDs, kita ora bisa nyisihake energi nyediakake dawane gelombang sing ora perlu, nanging fokusake energi kita ing spektrum sing dibutuhake antarane 400-550nm lan 620-700nm.