the AC power is present.● AC power, the PS_ON/OFF port plus (≧ 3.0V / 2.0mA) DC signal, each voltage must have output.5. Product qualification● We have our own factories which has a better quality control for product.● We’re the dolby,HDMI License,HDCP Licnese membership● We will do EMC and EMI testing in the laboratory6. Deliver,shipping and serving● Our factory is in Shenzhen,which is easier for delivering to Shenzhen● We use antistatic bag to proctect mainboards.● The package i