Welcome to the WhiteRose Sunlike Led Grow Lights manufacture, fanless design, provide a silent grow room for you, with dual full spectrum layout and large led light Chips, scientific spectral design can meet the light required for all stages of plant growth, making your planting more efficient and easier. We make and produce our own items, and have a strong R&D team and standardized production procedures.We always keep unremitting effort to develop and study new products. And we offer various LED grow light with different features for growers and continuously stay abreast with the market, releasing new products if needed. Light VEG B:GY:R:FR. Light Flower B:GY:R:FR. Light Spectrum: 380nm800nm full spectrum including 450nm/660nm/730nm. Light Best For: flowering and fruiting plants during growth and flower stage. Light Mounting Height: 12-20in above canopy. Light Operating Temperature: -20 t0 40. LED chip soldering pad temperature: 70 (at room temperature 28). Power Driver: aluminum housing and Thermal sealant. The item "WHITEROSE 4000W LED Grow Light Full Spectrum for Indoor Plant Veg Flower HPS" is in sale since Tuesday, October 22, 2019. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Hydroponics\Grow Lighting & Accessories\Grow Light Kits". The seller is "whiterose_manufacturer" and is located in Chino, California. This item can be shipped to United States.