Do you have a north-facing window and receive less-than-sufficient light for your indoor plants. and now you can design your own style of indoor cultivation and bring withered plants back to life with LED house plant grow lights. Based on the characteristic of the certain light that plant growth required, which is warm white light (composed from red, blue and green light) in the wavelength between 400 nm to 740nm, plant grow light indoor become a to-go product when indoor cultivation is getting popular among people, which must be an ideal choice to be supplemental lighting in greenhouses, office plants, home vegetables and some sole-source operation. Size: medium.