Mars Hydro SP 6500 Samsung LM301B 650W Greenhouse LED Grow Light

High light penetration and strong power, best for indoor tall plants applications and greenhouse. With a thick aluminum passive heat sink and densely arranged chips, SP series offers cultivators with high efficacy but low heat environment, helping maximize crop yields without noise or heat worries while spreading light deep enough for tall plants.   ● Best-Selling Samsung LM301B Leds - 2376pcss Samsung LM301B and Osram 660nm led chips, higher quality & more efficiency. Costing only 0.3 USD for every single chip.   ● Upgraded Sunlike Full Spectrum - More warm white and red chips added, extremely good for plants at all stages from veg to bloom.   ● Boom Yield & Increasing Crop Quality - High PPFD at 2.8 umol/j, average yield at 1.8g/w, increasing your yield 50% or more compared with old blurple and HPS lights.   ● Daisy Chain Dimming Function - Dimmer knob added, more convenient to adjust the brightness. Up to 15 lights can be daisy-chained and control together on just one light