Plant grow light - TOOGOO(R) MR16 5W LED plant grow light hydroponics energy saving lamps 4 Red 1 Blue for indoor flower plants growing greenhouse vegetables DC12 - 24V The blue light helps photosynthesis of plants, promoting growth, protein synthesis and development of fruit. The red light promotes the growth of rhizomes, flowering and bearing fruit, extending flowering phase and increase production Contains no harmful Elements, environmentally.