What is a Siren? MyPlace Customer Support September 25, 2018 18:08 Updated Follow A Siren gives audible and visual notifications when your alarm goes off. Related articles Are MyPlace communications encrypted? Is the MyPlace Indoor Cam water-resistant? How do you pair a MyPlace Siren? Where should you install a Siren? Who is eligible for MyPlace? Comments 0 comments Please sign in to leave a comment.