1,Wide Input Range:AC176~264V 2,High efficiency,miniaturization 3,Protect function:short circuit,over load, ... input-enclosure:AC1500V,1min output-enclosure:DC500V,1min10,Work environment:0~45°C,20%~90%RH(no frost)11,Safey standard ... % loaded with aging test,make the product have high reliability. LED display panel power supply