If you're looking for a modern intruder alarm that’s easy to set up, highly secure, and packed with smart features, Ajax Systems should be at the top of your list.
Whether you're a homeowner protecting your property or a professional installer fitting out a client's site, the Ajax alarm system makes installation simple thanks to its fully wireless setup, long-range sensors, and intuitive mobile app.
In this guide, we’ll walk you through exactly how to install an Ajax alarm system, from unboxing to connecting your devices and arming your premises.
Let’s get started.
📦 What You’ll Need Before You Begin
To install an Ajax alarm system, you’ll need:
✅ An Ajax starter kit (e.g. Hub, MotionProtect, DoorProtect, StreetSiren)
✅ A smartphone or tablet
✅ The Ajax app (iOS or Android)
✅ A screwdriver, wall plugs, and screws
✅ Wi-Fi or Ethernet access
✅ (Optional) SIM card for dual-path backup
🔗 You can find full Ajax Security Systems kits here at WME - including everything you need for homes or small businesses.
🛠️ How to Install Ajax Alarm in 6 Simple Steps
🔹 Step 1:Pick Your Ajax Security Alarm
WME has the best range of Ajax security Alarms at the lowest prices online. Check out our top picks below;
The Ajax Hub Starter Kit is a top-notch security system designed for both residential and commercial use.
Includes:
- Grade 2 Security Certification EN50131
- Includes Hub2, MotionProtect, DoorProtect, SpaceControl, and Street Siren
- Easy to install and use, perfect for DIY enthusiasts
- Comprehensive protection for your premises
The Ajax Security System Starter Kit is an all-in-one solution for safeguarding your home. With its Grade 2 Security Certification (EN50131), you can ensure optimum protection.
Includes:
- 1 x Hub2
- 2 x MotionProtect
- 1 x DoorProtect
- 2 x SpaceControl
- 1 x Street Siren
- 1 x Home Siren
The Ajax Security System starter kit provides comprehensive protection and is essential for both residential and commercial properties.
- Grade 2 Security Certification: Complies with EN50131 standards.
- Complete Kit: Includes 1 x Hub2+, 2 x MotionCam, 1 x DoorProtect, 1 x Keypad, 1 x Street Siren, and 1 x Home Siren.
- Advanced Security Features: Utilises smart wireless technology to maintain communication between devices with minimal interference.
- User-Friendly Components: Easy installation and intuitive operation, perfect for DIYers and professionals alike.
The Ajax Kit18 S is a robust wireless security system designed for ease of use and quick installation. With the Hub2, this system reacts only to genuine threats, eliminating false alarms.
- Dual GSM and Ethernet for reliable communication
- Supports up to 100 devices and 10 cameras
- Mobile app for on-the-go management
- Instant notifications through SwiftAlerts
- Advanced anti-sabotage and jamming detection
The Ajax system is perfect for both DIY enthusiasts and professionals, ensuring top-level reliability and functionality.
🔹 Step 2: Install the Ajax App & Create an Account
- Download the Ajax Security System app from the App Store or Google Play.
- Open the app and create an account using your mobile number or email address.
- Follow the prompts to allow notifications and location access (optional).
🔹 Step 3: Power On and Connect the Ajax Hub
- Plug the Ajax Hub or Hub 2 Plus into the mains and your Wi-Fi or router using Ethernet.
- Insert a SIM card (if using 4G backup).
- Scan the QR code on the Hub via the app to pair it.
- The app will show a “Hub Online” status when connected.
🔧 Tip: Install the hub in a central, hidden location with strong signal coverage to all devices.
🔹 Step 4: Add and Place Motion Detectors
- Go to the Ajax app dashboard → Add Device
- Scan the QR code on your MotionProtect sensor
- Give it a name (e.g. “Living Room PIR”)
- Mount the sensor 2.4m high, avoiding direct sunlight and heaters
- Use included screws or adhesive to secure it to the wall
✅ Many Ajax motion sensors include pet immunity, reducing false alarms from pets under 20kg.
🔹 Step 5: Fit Door/Window Sensors
- Repeat the “Add Device” step for each DoorProtect sensor
- Place the main unit on the door frame, and the magnet on the moving part of the door or window
- The two parts must sit within 1cm of each other when closed
- Use screws or strong adhesive (included) to mount
✅ Ideal for main entry doors, windows, and garage access points.
🔹 Step 6: Mount Your Sirens
- Add your StreetSiren or HomeSiren via the app
- Test signal strength before mounting
- For outdoor sirens, install at 2.5–4 metres high, away from obstructions
- Secure with tamper-proof screws or wall plugs
- Test volume (adjustable in app: 85–113dB)
🔹 Step 7: Set Up Zones, Users & Test the System
- Organise devices into rooms or zones (e.g. Upstairs, Garage)
- Add additional users with different access permissions
- Set entry/exit delays, automation rules, and arm/disarm schedules
- Use the test mode to check signal strength and motion coverage
- Arm the system and try a walk test
🔧 Optional: Add Extra Devices or Integrations
Expand your setup with:
- MotionCam detectors (with photo verification)
- Keypads or key fobs for quick arming
- LeakProtect, FireProtect, and GlassProtect sensors
- Smart home integrations: Google Assistant, Alexa, Apple Shortcuts
- Explore these extras in our full Ajax product range.
📊 Why Ajax Is So Easy to Install
| Feature | Ajax Alarm System | Traditional Alarm |
|---|---|---|
| Wiring required | ❌ None (fully wireless) | ✅ Yes (hardwired) |
| Mobile setup | ✅ Yes | ❌ No |
| Expandable | ✅ Up to 150 devices | ❌ Usually fixed |
| Battery life | ✅ Up to 7 years | ❌ Limited |
| Installation time | ✅ 1–2 hours (DIY) | ⏳ 4–6 hours (pro-only) |
Ajax is ideal for both professional electricians and DIY homeowners who want the best protection with the least hassle.
❓FAQs
Q: Can I install Ajax myself, or do I need a professional?
Yes, you can install it yourself in under 2 hours. No wiring needed.
Q: Does Ajax work during a power cut?
Yes, hubs have built-in battery backup, and you can use SIM cards for mobile alerts.
Q: Can I install Ajax in a flat or rented property?
Definitely! All components are wireless and removable without damage.
Q: Can I get visual verification if an alarm goes off?
Yes, Ajax MotionCam sends encrypted photos during an intrusion.
Installing an Ajax alarm system couldn’t be easier. With its smart app, wireless devices, and long battery life, you can protect your property in under two hours, with no cables or specialist tools required.
Whether you’re a homeowner, landlord or tradesperson fitting out a site, WME has the full Ajax range to help you build a complete, future-proof intruder alarm system.
🔐 Ready to get protected?
👉 Browse Ajax Security Systems at WME and order your kit today, with fast UK delivery and expert support if you need it.