OF800-S Stadium Sports LED Display - Power Supply 

details of power supply, how to use, how to remove, how to assemble...
OF800-S Series Sports LED Display
-1600×900mm Cabinet Size
-SMD 3 in 1 LED Encapsulation technology
-Front Service and Rear Service Design
-Perfect for Sports Stadium LED Screen
-CE, Rohs Approved
-3-Year Warranty and 5% Spare Part
More information: www.unit-led.com/of800-s-spor...

Наука