All these security people "give" you a free system on some pretense. However, you have to sign a contract agreeing to send them monthly payments, so they quickly recoup the $75 worth of simple eletronics and switches they install around your house—and them some.
call said to be "Service Call" and it was a promotion for security system "at no cost you you if you allow a small sign in your yard"....Claimed to be a GE Security System.