If your cameras support the siren function and the NVR uses a new UI, refer to the below steps to turn on the siren for the cameras connected to NVR.
Applies to: RLN8-410 (hardware version H3MB18/N2MB02/N3MB01/N7MB01/NVR_NNT3NA78P), RLN16-410 (hardware version H3MB18/N6MB01/NVR_NNT4NA716P), RLN36, NVS36, RLN12W, NVS12W, NVS8, NVS16, RP-PN8, RP-PN16.
Step 1. Log in to your NVR via Reolink App and go to the Device Settings > Siren page.
Step 2. Switch on the Siren option and set up the Siren Sound and Siren Schedule according to your needs.