The powerPAR PPLF44 Commercial 4' LED Fixture is a powerful, energy-efficient solution for lighting over hydroponics, propagation flats, and other applications. Precise design, energy efficiency, ideal color temperature, and high output make the PPLF44 an excellent choice for seed starting and general growing phases. Delivering 21,000 initial lumens, this 160 watt fixture has an efficiency rating of 131 lumens per watt. The balanced 4000K white color temperature has a 50,000-hour lifetime rating. The fixture includes an 8' 120V IEC power cord. Ballast input voltage is 120V-240V and multiple units can be linked together with a daisy chain cable ( item CLW0051 sold separately). Hangs easily with the included V-hook wire hangers and is also compatible with the Hydrofarm VGS shelf system.