Dang, thanks Russ, that fixed the problem! It works great with a fixed amount of time. I am very new to this so if you don't mind me asking, the batch file for the variable amount of time works from the command prompt, but how do I get Alexa to pass the Timeout value through TRIGGERcmd?
I tried saying the amount of time after saying the Voice/Trigger and I hear back that the Voice/Trigger "does not support that." I have "Allow Parameters" set to "true" and here is the batch file:
"C:\Program Files (x86)\Common Files\X10\Common\ahcmd.exe" sendrf a4 on
start /wait Timeout "%1"
"C:\Program Files (x86)\Common Files\X10\Common\ahcmd.exe" sendrf a4 off
Thanks for any guidance you can provide.