1. Introduction
The X-Sense SMS0A Motion Detector is an accessory designed to expand your X-Sense home security system. This 2-pack of motion sensors is compatible with X-Sense AS05, AS08, and AS12 security kits and requires an SBS50A Base Station (sold separately) for full functionality. These compact, battery-powered sensors provide reliable motion detection and integrate seamlessly with your existing X-Sense security setup, offering enhanced coverage for various areas of your home.
2. Safety Information
- Do not attempt to repair or modify the device. Refer all servicing to qualified personnel.
- Do not expose the device to extreme temperatures, direct sunlight, or excessive moisture.
- Ensure batteries are inserted with correct polarity. Dispose of used batteries responsibly according to local regulations.
- Keep the device out of reach of children and pets.
- This device is for indoor use only.
3. Package Contents
Your X-Sense SMS0A Motion Detector package includes the following items:
- 2 x X-Sense SMS0A Motion Detectors
- 4 x AAA Batteries (2 per detector, pre-installed or included separately)
- Adhesive Tape for mounting
- Mounting Screws and Wall Plugs
4. Product Overview
The X-Sense SMS0A Motion Detector is a compact and versatile sensor designed to detect movement within its coverage area. It communicates wirelessly with the X-Sense SBS50A Base Station, which then relays information to your smartphone via the X-Sense Home Security App.

Image: An illustration of a complete X-Sense smart security kit, demonstrating how various sensors, including motion detectors, connect wirelessly to a central base station to provide comprehensive home safety.
Key Features:
- Wireless Connectivity: Communicates with the SBS50A Base Station over a long-range wireless protocol, up to 500 meters (1640 feet) in open air.
- Battery Powered: Uses 2 AAA batteries with an estimated lifespan of up to 5 years.
- Compact Design: Measures 66 x 36 x 66 mm (2.6 x 1.4 x 2.6 inches), allowing for discreet placement.
- Flexible Mounting: Supports both wall and corner mounting using adhesive tape or screws.
- App Control: Manage settings, receive notifications, and arm/disarm your system via the X-Sense Home Security App.
- System Expansion: Each SBS50A Base Station can support up to 50 PIR (Passive Infrared) sensors.
- Operating Temperature: Functions reliably in temperatures ranging from 0°C to 40°C (32°F to 104°F).
5. Setup
5.1 Prerequisites
- An X-Sense SBS50A Base Station (sold separately) must be set up and connected to your home Wi-Fi network.
- The X-Sense Home Security App must be installed on your smartphone and linked to your SBS50A Base Station.
5.2 Battery Installation
The motion detectors come with 2 AAA batteries. If not pre-installed, open the battery compartment on the back of the detector and insert the batteries, ensuring correct polarity (+/-). Close the compartment securely.
5.3 Pairing with the Base Station
- Ensure your SBS50A Base Station is powered on and connected to the X-Sense App.
- Open the X-Sense Home Security App and navigate to the device pairing section.
- On the SMS0A Motion Detector, locate the pairing button (refer to the device diagram in the app or manual for exact location).
- Press and hold the pairing button until the indicator light on the detector starts to flash, indicating it is in pairing mode.
- Follow the on-screen instructions in the X-Sense App to complete the pairing process. The app will confirm when the detector is successfully added to your system.
5.4 Mounting the Motion Detector
The SMS0A Motion Detector can be mounted on a flat wall or in a corner. Choose a location that provides optimal coverage for the area you wish to monitor, such as hallways, basements, stairwells, or entry points. Avoid placing it near heat sources, direct sunlight, or areas with strong air currents that could cause false alarms.

Image: An X-Sense motion detector shown mounted in the corner of a room, illustrating its compact design and flexible installation options for both flat walls and corners.
Wall Mounting:
- Clean the desired wall surface to ensure it is dry and free of dust.
- Peel off the protective film from the adhesive tape on the back of the detector.
- Firmly press the detector onto the wall at the chosen height and hold for 30 seconds.
- For a more secure installation, use the provided screws and wall plugs. Mark the drill holes, drill, insert plugs, and then screw the detector into place.
Corner Mounting:
- Clean both corner surfaces where the detector will be placed.
- Peel off the protective film from the adhesive tape on the side of the detector.
- Align the detector in the corner and firmly press it against both surfaces, holding for 30 seconds.
- Alternatively, use screws and wall plugs for a permanent installation.
6. Operating Instructions
The X-Sense SMS0A Motion Detector operates in conjunction with your SBS50A Base Station and the X-Sense Home Security App.
6.1 X-Sense Home Security App Control
The app provides comprehensive control and monitoring capabilities for your security system.

Image: A smartphone screen displaying the X-Sense Home Security App, illustrating the various security modes available for selection, such as Disarm, Home, and Away.
- Arm/Disarm: Easily switch between 'Home', 'Away', and 'Disarm' modes directly from the app. You can also set up automatic schedules for these modes.
- Real-time Monitoring: View the status of your motion detectors and other connected devices.
- Event History: Access a log of all detected movements and system events.
6.2 Notifications
When motion is detected by an SMS0A sensor while the system is armed, the SBS50A Base Station will trigger an alarm (if configured) and send instant push notifications to your smartphone.

Image: A smartphone displaying a push notification alert from the X-Sense security system, indicating that a sensor has detected an event, such as an opening door or window.
6.3 Sharing Access
You can share access to your X-Sense security system with family members through the app, allowing them to receive notifications and control the system as well.
7. Maintenance
7.1 Battery Replacement
The SMS0A Motion Detector uses 2 AAA batteries. The X-Sense App will notify you when the battery level is low. To replace the batteries:
- Carefully remove the detector from its mounting location.
- Open the battery compartment on the back.
- Remove the old AAA batteries and insert new ones, ensuring correct polarity.
- Close the battery compartment and re-mount the detector.
- Dispose of old batteries according to local environmental regulations.
7.2 Cleaning
To ensure optimal performance, periodically clean the exterior of the motion detector. Use a soft, dry cloth to wipe away dust and dirt. Do not use liquid cleaners or abrasive materials.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Detector not pairing with Base Station |
|
|
| No motion detection or false alarms |
|
|
| App functions not working |
|
|
9. Specifications
| Feature | Detail |
|---|---|
| Model Number | SMS0A |
| Dimensions (L x W x H) | 6.6 x 3.6 x 6.6 cm (2.6 x 1.4 x 2.6 inches) |
| Weight | 210 grams (0.46 lbs) |
| Power Source | 2 x AAA Batteries (included) |
| Battery Life | Up to 5 years (43800 hours) |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Connectivity | Wireless (to SBS50A Base Station) |
| Wireless Range | Up to 500 meters (1640 feet) in open air |
| Installation Method | Adhesive or Screw Mounting (Wall/Corner) |
| Compatible Devices | X-Sense AS05/AS08/AS12 Security Systems, SBS50A Base Station, Alexa |
| Max Sensors per Base Station | Up to 50 PIR sensors |
| Control Method | X-Sense Home Security App |
| Alert Type | Motion only |
10. Warranty & Support
X-Sense provides a limited warranty for this product. For detailed warranty information, technical support, or customer service inquiries, please refer to the official X-Sense website or contact their customer support team directly. Please have your product model number (SMS0A) and purchase information ready when contacting support.
Website: www.x-sense.com