Your Duress System.
On a Tablet.
Done.
VAD is a commercial-grade visual alarm and duress display for Android tablets. Monitor digital inputs, show real-time alerts on your floorplan, and trigger SMS notifications — all offline, no cloud, no subscriptions.
Visual Alert Display
Panic Button. Fire Door.
VAD Responds Instantly.
Watch a real two-event sequence — a panic button pressed on the factory floor, followed by a fire exit door being opened. See exactly how VAD fires alerts to every screen in under 12ms.
Activated
<video src="your-recording.mp4"> tagPanic Button Pressed
A worker on the factory floor presses the hardwired panic button. In under 12ms, VAD receives the I/O signal from the Moxa controller and pushes a full-screen red critical alert to every display in the building.
Fire Exit Door Opened
A fire exit door is pushed open — whether by a person evacuating or an unauthorised entry. The door sensor triggers immediately. VAD displays a full-screen orange warning on all zone displays, with the specific door and location clearly labelled.
All Clear Confirmed
Both events have been acknowledged and the triggers reset. VAD returns all displays to a calm, green all-clear state — giving the whole facility a single, visible confirmation that the situation is under control.
demo-scenario.mp4 in the same folder as index.html →
Uncomment the <video> tag in the HTML
Interactive Demo
No Install Required
Click a scenario and press play — see exactly what appears on a VAD display when each event fires.
Visual Alert Display
Everything a Duress System
Should Do — Nothing It Shouldn't
Live Floorplan Display
Load your own building floorplan image. Device icons sit directly on the map — draggable when unlocked, colour-coded by status. Know exactly where an alert is firing without reading a label.
Latched Alarms
Alarms don't auto-reset. Once triggered, an alert stays active until the input returns to normal AND a staff member presses Reset. No alert disappears without someone acknowledging it.
SMS Alerts to 5 Contacts
When an alarm fires, VAD sends an SMS via your configured gateway — API URL, API key, sender ID, all configurable. Up to 5 named contacts per site. Includes a built-in test SMS feature.
Flexible Input Sources
Connect via Modbus TCP (Moxa ioLogik), REST polling, or direct Android GPIO. VAD continuously monitors input state and triggers instantly when a signal goes active — duress buttons, door contacts, relays.
Fully Offline — No Cloud
VAD runs entirely on-device. No internet dependency, no subscription calls home, no outage risk. Licensing is offline too — tied to the Android device ID with a hashed key. Ideal for secure environments.
Full Settings System
Password-protected settings with dedicated tabs for Devices, Floorplan, IP/Connectivity, SMS, Password, Licensing, and About. Configure everything on-device without a backend or admin portal.
Input Goes Active.
Alarm Fires. Staff Respond.
Connect Your Input Source
Point VAD at a Moxa ioLogik via Modbus TCP, a REST endpoint, or wire directly to Android GPIO. Enter the IP address in the IP settings tab — that's the entire setup.
Configure Devices on the Floorplan
Upload your building floorplan, drop device icons onto the map, name each one, set display size, and optionally enable camera links and per-device SMS alerts.
Input Triggers — Alarm Fires
VAD continuously polls the input state. The instant a duress button is pressed or a door contact breaks, the tablet screams — full-screen colour alert, audio alarm, floorplan icon changes state.
Reset Requires Human Action
Alarms are latched. They won't clear until the input resets AND someone presses the Reset button on screen. No silent auto-clears. Every event is logged with a timestamp.
A Fraction of the Cost
of a Proprietary Duress System
Staff Duress & Lockdown Alerts
A teacher presses a duress button — every VAD tablet in the building fires instantly. Office staff see exactly which room on the floorplan. No expensive proprietary panel required. Just an Android tablet and a Moxa controller.
Reception & Security Points
Panic buttons at reception desks, door contacts on restricted entry points, and relay triggers from existing security systems — all visualised on a live floorplan display at the security station.
Nurse Call & Resident Safety
Resident duress pendants, bathroom pull-cords, and door sensors feeding into a VAD display at the nurses station. Visual + audio alert with floorplan location. SMS to on-call staff if no one responds.
Emergency Stop & Access Monitoring
Emergency stop buttons, fire exit door contacts, and plant safety relays monitored 24/7 on a kiosk-mode tablet. Latched alarms mean nothing gets missed — even on a night shift with skeleton crew.
Per-Device Licensing.
Pay Once. Run Forever.
One licence key for one Android tablet. Perfect for a single reception desk, security point, or small facility.
- ✓1 Android device licence
- ✓Offline activation (no cloud)
- ✓Floorplan + device icons
- ✓SMS alerts (up to 5 contacts)
- ✓Moxa / REST / GPIO input
- ✓Free updates for 12 months
Up to 5 device licences. For schools, commercial buildings, or multi-wing facilities running VAD across multiple tablets.
- ✓Up to 5 device licences
- ✓All Single Site features
- ✓Camera stream per device
- ✓Priority email support
- ✓Free updates for 24 months
- ✓Remote setup assistance
Pre-loading VAD on tablets for resale? Deploying across a large estate? We can work out a volume or white-label arrangement.
- ✓Volume licence pricing
- ✓Pre-configured tablet supply
- ✓White-label / custom branding
- ✓Custom input integrations
- ✓Ongoing support agreement
Ready to Replace Your
Expensive Duress Panel?
Get in touch with BabybirdTech to discuss your site, get a licence key, or ask about pre-configured tablet supply. We respond within one business day.
The BabybirdTech team will be in touch within one business day to discuss your site and get you set up.