Is the siren loud? Jon Dennis Cruz April 01, 2021 10:51 Updated Definitely! It's not called a siren for nothing! It releases an 85dB alarm sound. Related articles Can I talk to the siren? Can I have more than 2 Roo Tags? Can I disable the siren "warning sound"? How to set preferences for Siren How do I reset the camera? Comments 0 comments Please sign in to leave a comment.