iPower 36W 4 Feet LED Grow Light Stand Rack for Seed Starting Plant Growing, the Only Isolated Driver Design for Safety Assurance PERFECT FOR INDOOR PLANT: Light system for starting seeds, propagating cuttings and growing indoor flowers and houseplants EASILY ADJUSTABLE AND STURDY: Feather-Touch height-adjustment mechanism raises or lowers fixture easily, whole frame is made with metal and very sturdy THE BEST CONTRIBUTION ON PHOTOSYNTHESIS: Ultra bright 36 watt energy efficient LED Light with Red LED lights (660 nm wavelength), Blue LED lights (465 nm wavelength), 660 and 430nm; 630 and 465nm are respectively 4 peaks of growth spectrum for maximum chlorophyII A and B production THE ONLY ISOLATED LED DRIVER DESIGN: Premium-Quality Red-Blue-White LED fixture, safe for application with no electrical shock risk Measures approximately 50 by 18-1/2 by 46 Inch, super easy assembly, warranty: 1 year