... with optical isolated, withstand 20001 rms.Control 240 computer lights. TECHNICAL REFERENCEModel No: YR-2008.Voltage: ... .Control 240 computer lights, the channel for each computer light can be patch, up to 40 channels.320X240 big ... special effect can provide changeable effect in live. USB memorizer cansave the data in live .effectively. Green ... more safe and convenient YR-2008 Computer controller