①Confirm whether the NVR supports the area alarm function
②Confirm whether the front camera supports the area alarm function
Note: The settings will be work only if the front and rear ends of NVR both support area alarm.
①Confirm whether the NVR supports the area alarm function
②Confirm whether the front camera supports the area alarm function
Note: The settings will be work only if the front and rear ends of NVR both support area alarm.