MARS HYDRO FC6500 Foldable Samsung Grow Light, 730Watt 5x5ft Led Grow Lights for Indoor Plants, 8 Bar with 2688Pcs Samsung LM301B Diodes, Full Spectrum Daisy Chain Dimmable Commercial Farming Light Mother Earth Products not suitable in restricted airflow not suitable in restricted airflow applications UV & IR Included 50% higher PPFD compared to HID lamps Broad and even coverage 50% lower power consumption compared to HID lamps 4 passively cooled bars provide broad coverage for full cycle growth Dimmable LED Grow Light with Daisy Chain 3 year Manufacturer's Warranty IP65 waterproof DB: 0dB Lumen: 52971Lm±5%@AC120V 52284Lm±5%@AC240V 51821Lm±5%@AC277V Light Size: 23 The dimming knob is ideal for growers to adjust the light intensity according to different growing stages 0g yield per wattage with 30% higher Average PPFD