@Carl it is a 3 way switch and controls 3 exterior wall lights. I tried to install the HS210. I already installed one hs200 for some other exterior lights and it was easy. What am I missing or doing...

@Carl thank you for the reply. I've attached a picture of the switch I removed. The black screw of course had the black wire, the brass screw above that had the red wire and the screw on the other...

Which switch would I need for this wiring set up? There is no connected neutral wires in the back just the one that comes directly to the switch itself. So there is one black one white one ground and...