Intelectron Bc8950 Manual How To Use Intelectron BC8950 Motion Detetectors?

How to Use Intelectron BC8950 Motion Detetectors? - intelectron bc8950 manual

I moved into a house and outdoor fires have Intelectron Motion BC8950, but I have no manual and I did not understand the situation, how they work. I can not find a manual online. Someone knows how this set up.