instecho Grow Light, dbhtrhtr 4 bands of LED emitting light(660nm, 630nm, 610nm, 460nm) providing main light with the wavelength required by plant Common screw E26 base for common holder, easy to install, Standard MR16 shape Eco-Friendly grow light, Reduce re-lamp frequency Brand new LED bulb, 1 year warranty Solid State plant grow lights bulb, much lower temperature than halogen