... Low power consumption 3.100000hr lifespan 4.Reliable quality Hot Sale Full Color LED Display Detail Descriptionph20 pixel:1r1g1b module ... network standard interfacecompliant with windows2003/XP/NT,UNIX,NOVELL and so on.Display Mode:24-bit True Color,VGA,SVGA, ... over low voltage,phase loss protection systemsIt is installed with over temperature,overload and power fails protection deviceWorking voltage ...