LocknAlert connects your Paradox alarm panel to Home Assistant via local MQTT—no cloud, no subscriptions. Bring your existing “dumb” alarm into the 21st century without buying an expensive new panel.
Works directly with the Paradox panel via its serial port. No special cables required.
Supports MQTT natively.
Built-in MQTT broker for those without Home Assistant OS.
Runs completely offline. No tracking. No subscriptions. Just you and your home.
Connect the included serial cable to your Paradox alarm panel's serial port.
LocknAlert draws power from the panel directly — no extra adapter needed.
Use your phone/laptop to open the setup page and join your Wi-Fi network, or plug in Ethernet.
Choose between local Home Assistant or your existing instance.
Add via MQTT — auto-discovers zones; arm/disarm partitions and bypass zones with ease.
Compact, powerful, and privacy-first — the LocknAlert Bridge connects your Paradox alarm panel to Home Assistant using a direct serial interface. Secure MQTT communication, easy local setup, and offline-first operation make this the ultimate alarm bridge.
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Turn your “dumb” Paradox alarm into a smart system you control from your phone. LocknAlert integrates directly with Home Assistant via local MQTT—no cloud, no delay, no nonsense.
Arm & disarm zones, receive instant alerts, and automate your alarm alongside lights, cameras, gates, and more.
Learn how Home Assistant worksUsername: demo Password: demo
LocknAlert runs 100% locally — no cloud required. Even if your internet connection goes down or a neighborhood power cut hits, your alarm system stays connected within your home. As long as your Wi-Fi is still running, LocknAlert continues to monitor, alert, and respond through your local network without interruption.