HLG BLACKBIRD is designed for home grows and is perfect for 4x4 grow tents. HLG’s newest Scorpion Series edition, the BLACKBIRD, uses 6 Full Spectrum QB® 200 Quantum Boards® for an even light spread at just 20” from the canopy. 
Top Features
Suitable for grow tents for full and flower cycles
Highest efficiency full spectrum grow lamp
Full Spectrum White and Deep Red
Reliable passive-cooled design
Better canopy light penetration with diffused light
Dimming power supply included
Auto sensing power supply works on 120VAC, 240VAC, and 277VAC
3 Year Warranty
Specifications
Power100-600 Watts Dimmable
Voltage Range120-277 VAC 50-60Hz
LEDFull Spectrum White & Deep Red
Flowering Footprint4' x 4' at 20"-24""
Veg Footprint6' x 6' at 30”
System PPF Efficacy2.79 μmol/joule
Total output1567 PPF
Dimensions26" x 26.75" x 2.75"
Recommended Mounting Height20-30 inches above canopy