The Tarantula Revolution 600 Veg is Grand Master LEDs’ 600-watt, veg-optimized bar fixture for racks, tents and low ceilings. It draws up to 600 W on 240–277 V (about 615 W at 120 V), delivers 1,695 µmol/s at 2.73 µmol/J, and is rated IP66. The six-bar, folding chassis measures 44 x 44 inches and weighs 19 lb. Vegetative coverage is specified at 5 x 5 ft with a recommended 12–18 inch hanging height. Control options include onboard knob dimming and RJ14 0–10 V external control; the Grand Master Controller is recommended. The fixture runs on 120–277 Vac, uses LEDESTAR diodes in a cool-white configuration for vegetative growth, and carries ETL and DLC listings with a 5-year warranty.

