A sound shield, an app, a keypad, a panic button, a remote. And you, always in control.
LIMA SHIELD is more than just a box. It is a system you arm, disarm, monitor and trigger, from home or from the other side of the world. This page details each element and, above all, how you use it day to day.
It is the control centre. Available on iOS and Android, it gives you access to the whole system, wherever you are.
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One important point: the app is a convenience, not a requirement. LIMA SHIELD's detection and triggering are local. If your router goes down, if the network drops, if your phone is off, the system keeps protecting, and the alert goes out over 4G.
Supplied with the system, it is installed at the building's entrance, like the keypad of a conventional alarm. It works the way everyone already knows: a code or a badge, on the way in and on the way out.
It is the feature you hope never to use, and the one that changes everything the day you need it. The panic button goes where the risk is: under a counter, beside a bed, in an office, at reception. The remote, meanwhile, goes with you.
Both trigger the system even when it is not armed. This is the key point: an assault does not wait for the system to be in monitoring mode. In broad daylight, with doors open and the shop busy, a single press is enough: the system warns, then floods the target area with sound.
The whole system comes down to three states, and that is deliberate: a security system you do not understand is a security system you do not use.
Life goes on as normal. The system is present, powered and visible in the app, but it is not monitoring. This is the state for opening hours, or a day at home with the family.
The system monitors, on its own or via your alarm. If an intrusion is confirmed: warning beeps, then a 10-second delay, then the sound. This is the setting for nights, absences and weekends.
The sound is playing, alternating with pauses, until it shuts off automatically at the end of the set duration. You are notified, and you can deactivate it at any moment by code, badge, remote or app.
And the shortcut that matters: you can trigger it directly, even if the system has not been armed, using the panic button, the remote or the app. This feature is reserved for absolute emergencies, and it has the same safeguards: automatic shut-off, immediate deactivation.
For businesses and public authorities, the system can be adapted: colour, logo, sound intensity configured for the site, integration protocol with the existing installation. This is decided during the demonstration, depending on the premises to be protected.
| The situation | What you do |
|---|---|
| You leave for work or lock up the site | A code on the keypad, or a tap in the app. The system switches to monitoring. |
| You come home, or the first employee arrives | Warning beeps, a delay, your code or badge. Nothing goes off. |
| You are on holiday and wondering if everything is all right | The app shows the status of each device, including battery and connectivity. |
| Something is detected at night | Notification in the app. The system warns, waits, acts. You do not have to go downstairs. |
| An assault in broad daylight, system disarmed | Panic button, remote or app: immediate triggering. |
| Accidental activation | Deactivation by code, badge or app. No substance, no residue, back to normal immediately. |
| You manage several sites | All devices in a single app, controllable together or separately. |
This part is technical, and it only matters if you want to integrate the system into an existing installation. Otherwise, just remember this: LIMA SHIELD works on its own, and connects to almost anything.
| Use | Available options |
|---|---|
| Local setup and control | Bluetooth BLE 5.0, Wi-Fi 2.4 GHz, Zigbee remotes |
| Alerts and remote control | 4G, Wi-Fi, Ethernet |
| Connection to an alarm control panel | Dry contact (input and output), radio relays from compatible brands |
| Monitoring and home automation | HTTP, WebSocket and MQTT APIs for integrators |
| Updates | Remote, secure, with no on-site visit |
The system's communications are encrypted and the entire product has undergone a cybersecurity audit: a protection device that can be controlled remotely must itself be protected.
A demonstration with a security expert lets you see everything: arming, warning, triggering, deactivation. LIMA SHIELD is produced in limited runs, and is regularly out of stock.
Order LIMA SHIELDcheck availability Request a demonstrationwith a security expertNo. Two screws for the wall bracket or a freestanding stand, a power socket, and setup is done over Bluetooth from the app. Allow 5 to 10 minutes. If you would prefer assisted installation, or if integration with an alarm control panel is planned, request a demonstration: an expert will plan the layout with you.
Nothing critical: the code or badge keypad, the remote and the panic button keep working. The app is one way to control the system, not the only one.
Yes, and that is the norm, for families and businesses alike: several codes or badges on the keypad, and the app on several phones. Alerts can go to several recipients at once.
Yes. Detection and triggering are local, with no network needed. The built-in 4G transmits alerts. As for power, the internal battery provides up to 1 month on standby, and up to 3 months with the secondary batteries.
Yes, by pairing them in the app. Each device communicates with the others and can be controlled independently or jointly, so large areas and multiple sites can be covered consistently.