At 420 actual watts and 641 μMol/s total photon flux, the patent-pending PhytoMAX-2 400 LED grow lights are compact and powerful, outperforming 600W HPS bulbs. With PhytoMAX-2 we have delivered the most powerful and reliable, truly full-spectrum (365-750nm, UV to NIR) LED grow lights for indoor plants! The PhytoMAX-2 400 uses only the highest-quality, latest-technology, top-bin LEDs to deliver Black Dog Grow Light’s proprietary full-cycle Phyto-Genesis Spectrum evenly over the entire footprint, with unprecedented PAR levels, canopy penetration and yields!

Included with your order is our quick start reference guide booklet, Maximum Yields – The Dirt Simple Guide to Using LED Grow Lights. We condensed our best tips and suggestions and distilled them into an easy to digest guide that will get you growing in no time!

Origin: USA
Acceptable Voltage Range: AC 100V~250V
AC Frequency Range: 50~60 Hz
Operational Temperature Range: -4 ~104 °F (-20 to 40 °C)
Warranty: 5-Year
Certifications: ETL, CE, FCC, RoHS
M.T.B.F: > 50,000 Hours
Power Factor: > 0.98
Fans: 70,000 Hour Expected Life
Wattage (Avg): 420w
LED Wattage: 840w
Number of LEDs: 168
BTU: 1432
Maximum Flowering Footprint: 4.25′ × 4.25′
Maximum Vegetative Footprint: 5.25′ × 5.25′
Product Dimensions: 15.75″ × 15.75″ × 5″