Added 0-10V dimmable knob, more flexible to obtain perfect growth performance. Veg footprint is 4.8X5.6ft, Flowering footprint is 5x6 ft. 1pcx 450w led grow light. Driver:External dimmable. Phlizon New Design 180 Degree Foldable Led Bar Grow Light Lamp with Sumsung Chip UL Certified Driver Full Spectrum 3000K 6000K 660nm for indoor growing.
eBay