KIND LED Grow Lights are the industry leader in indoor LED grow lights. KIND LED consulted with hundreds of professional hydroponic and soil growers to rigorously research and develop their cutting edge LED indoor grow light technology that has since revolutionized the indoor growing industry. KIND is widely considered the best indoor LED grow light on the market today.ULTIMATE VERSATILITY From propagation to harvest, leafy greens to fruit bearing, greenhouse to indoor, the X-Series bar lights will take any grow to the next level and beyond. 24'' and 48'' Grow Lights available.