Look at the picture from XS2000
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![Don Thordarson xs2000.jpg](/data/attachments/3980/3980444-5cd8a8d7689244c535639a53383749f3.jpg)
VIPARSPECTRA XS2000 uses today's latest high-yield LED technology-Samsung Samsung LM301B diode, high energy efficiency, 2.9 umol/J, provides strong light output and uniform ceiling wear Throughput, so as to obtain a higher output.