 Ojiji nke okpukpuchi LED nke na-eto eto na-enye gị ohere ịmepụta ọtụtụ ụlọ-tiered owuwu, n'ihi na opekempe kachasị mma maka ihe ndị dị otú ahụ bụ nanị 30 centimeters.  A na-eji ojiji red LED for the plant, ma maka ọtụtụ ihe kpatara ya:
 Ojiji nke okpukpuchi LED nke na-eto eto na-enye gi ohere imeputa otutu ulo-tiered owuwu, n'ihi na opekempe kachasi mma maka ihe ndi di otu ahu bu nani 30 centimeters.  A na-eji ojiji red LED for the plant, ma maka otutu ihe kpatara ya: