Original-software modification
Keep the original system and make the siren locally controllable; setup requires changing administrator-level settings.
Applies toThe guide covers ZS120000118. Its original system is OpenWrt-based; this is not a claim that a current replacement OpenWrt image supports the hub.
How to get started
The guide changes services and settings in the original system, then connects a small siren service to your MQTT server.
You’ll need: Administrative access to the documented hub and an MQTT server.