The Siren will alarm when motion is detected. Setting up the siren for your camera can be done easily via your Reolink App or Reolink Client. Click the links below to set it up.
Applies to: Reolink cameras with a speaker
Via Reolink App: How to Set up Sound Alarm (Siren) via Reolink App
Via Reolink Client: How to Set up Audio Alarm (Siren) via Reolink Client (New Client)
Via Reolink NVR: How to Set up Siren on NVRs (New UI) (Not applying to battery-powered cameras)