"Regular" Pir sensor and Arduino


I'm very new with Arduino so I was hoping you could clarify something for me:

Is it possible to use a "regular" pir sensor with Arduino? I have a normal 220 volt sensor attached on my house and I would like to use Arduino to control the light a little bit more.

This is the sensor I have:

Can I use this with Arduino?

It seems possible. I found this thread: