Product is discontinued The Uniformity Pro 640 was designed to be the best built, longest lasting 4' x 4' LED on the market today. Fully water resistant wiring connections, heavy duty all aluminum bars, sealed crystal lens diode covers, in an easy to install folding frame. We use the highest quality and latest Samsung LM301B top bin diodes to create the FGI grow spectrum. We overbuild our lights intentionally so they will last for years and years in harsh grow environments. AT 37 lbs this unit is best in class for construction. Wet rated means it's okay to receive accidental over-spray. Suitable for vertical racks, over trays and benches or in 4' x 4' or larger grow tents. For use with the FGI Dimming Controller for light management and scheduling. Featuring  • All wiring connections are sealed with IP68 waterproof connections. • The LED diodes are covered with gorilla glass like crystal lens coverings. • Bars are heavy duty extruded aluminum. • 1600 umols/s total PPF output. • Nearly 1300 umols/ms of usable photosynthetic light output at 9-12".   Learn more about the FGI Uniformity Pro on our YouTube Channel here:  Our LED diode mix creates the ideal grow spectrum for indoor plants. 3200 full spectrum Samsung LM301H neutral white diodes in 4000K CCT. The white diodes are paired with 48 Osram Osolon Hyper Red Square 660nm diodes, from Osram's horticulture optimized LED diode line. Each light comes with a 10' power cord. It also comes with a 4' connection cable allowing you to control a network of lights with various lighting controllers. Our FGI Dimming Controller is one example and allows advanced programming including on/off timers, sunrise and sunset programming and automatically dims the light if temperatures in the grow space exceed your programmed limit. Par Map @ 12"   FGI Spectrum The Uniformity Pro 640 carries a full five year warranty. It's 5% larger than the Gavita 1700e and Fluence Spydr 2 series.  Control Recommendation: The FGI Dimming Controller. 0-10V. Touch screen. Sunrise, sunset, auto room temperature controller.    Specifications: Product Name: FGI HT-02 Uniformity Pro 640Part Number: FGIUP8Rev2UPN: 887437032817Dimensions: W x L x H (inches) 47x47x4 IMPORTANT: The unit does not ship with a standard plug. Please request a free 110/220/270V plug with your purchase if you need one. DiodesBrand Name: Samsung LM301H top binNumber of pieces: 3200Model/Part number: Neutral WhiteCCT: 4000KCRI: 80 Driver: Inventronics 600W Model: EUD-600S560DT Other color DiodesBrand Name: Osram OsolonNumber of pieces: 48Model/Part number: Hyper Red CCT: 660nmRatio mix white/red (%): 3200:48 Lifetime: (L-90 - in hours L90B50 @ 36000HRS Photosynthetic Light MeasurementsPPF Output*: 1600PPF Efficacy*: 2.5Photopic Light MeasurementsLuminous Flux* 92,000Luminous Flux Efficacy*: 144OtherInput Power: 640wInput Voltage: 120-277Cord length: 10'Plug type (note if bare whip): Not includedPackaging DimensionsDimensions W x L x H (inches): 47x47x4Weight (pounds): 36 Operating Temp range (F): 33-104 IP rating (UL-ETL or estimated final UL-ETL): wetDimming / TuningDimming (Yes/No): YesIndependent channel dimming (Yes/No): NoController type: External 0-10V Product Warranty:5 years