1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your PGST PG108-2GEU-A Wireless Home Alarm System. Please read this manual thoroughly before using the product to ensure proper functionality and safety. This system offers a dual network (WIFI + GSM) solution for comprehensive home security, compatible with Alexa and Google Home.
2. Package Contents
Upon unpacking, verify that all the following components are included:
- 1 x Wireless Alarm Panel (Main Unit)
- 1 x Wireless PIR Motion Sensor
- 1 x Wireless Door/Window Sensor
- 2 x Remote Controls
- 2 x RFID Cards
- 1 x Wired Siren
- 1 x PIR Sensor Holder
- 1 x Mounting Screws Set
- 1 x USB Charging Cable
- 1 x User Manual (English)

Image 2.1: Overview of the PGST PG108-2GEU-A Wireless Home Alarm System and its included components, featuring the main alarm panel, a PIR motion sensor, a door/window sensor, two remote controls, two RFID tags, and a wired siren.
3. Product Overview
The PGST PG108-2GEU-A is a comprehensive wireless alarm system designed for home and apartment security. It features a main control panel with a 2.4-inch TFT display, supporting both Wi-Fi and GSM networks for reliable communication. The system can integrate up to 100 wireless sensors and 3 wired sensors, offering flexible expansion options.
Main Unit Features:
- 2.4-inch TFT Display: Provides clear status updates and menu navigation.
- WIFI + GSM Dual Network: Ensures continuous monitoring and alerts even if one network fails. Note: WIFI operates on 2.4G only, not compatible with 5G networks.
- SOS Button: For immediate emergency alerts.
- RFID Card Sensing Area: For quick arming and disarming.
- Backup Battery: Maintains operation during power outages for approximately 3 hours.
- SMS Functionality: Sends alerts for power outages and system status changes.

Image 3.1: Front view of the PGST PG108-2GEU-A alarm panel, highlighting the 2.4-inch TFT display, SOS button, RFID sensing area, and numeric keypad for system control.

Image 3.2: Rear view of the PGST PG108-2GEU-A alarm panel, showing the anti-prying switch, 3.5mm siren interface, wired arming area interface, SIM card slot, ON/OFF switch, and Micro USB power input.
4. Setup
4.1 Powering the Main Unit
- Locate the Micro USB port on the back of the main unit.
- Connect the provided USB charging cable to the main unit and a 5V DC power adapter (not included).
- Ensure the ON/OFF switch on the back of the unit is set to 'ON'.
4.2 SIM Card Installation
For GSM functionality, a standard GSM SIM card (not included) is required. Ensure the SIM card is active and has sufficient credit for calls and SMS messages.
- Turn off the main unit using the ON/OFF switch.
- Locate the SIM card slot on the back of the main unit.
- Insert the GSM SIM card into the slot as indicated by the diagram.
- Turn the main unit back on. The system will detect the SIM card automatically.
4.3 Connecting to Wi-Fi
The system supports 2.4G Wi-Fi networks only. It is not compatible with 5G Wi-Fi.
- Download the 'Smart Life' or 'Tuya Smart' app from your smartphone's app store.
- Register or log in to your account.
- On the alarm panel, navigate to the Wi-Fi settings menu.
- Follow the on-screen instructions to put the alarm panel into pairing mode.
- In the app, select 'Add Device' and follow the prompts to connect the alarm panel to your 2.4G Wi-Fi network.
4.4 Adding Sensors and Accessories
The system can support up to 100 wireless sensors and 3 wired sensors. Included sensors are pre-paired, but additional sensors will need to be added.
- On the alarm panel, navigate to the 'Accessories' or 'Sensor Management' menu.
- Select 'Add Sensor' or 'Pair Device'.
- Trigger the sensor (e.g., open a door for a door sensor, wave hand in front of a motion sensor). The panel will detect and register the new sensor.
- Assign a name and zone to the sensor for easy identification in the app.

Image 4.1: Screenshot of the mobile application demonstrating how to view the real-time status of door sensors and how to edit their names for better organization and management within the system.
5. Operating Instructions
5.1 Arming and Disarming
The system can be armed or disarmed using the remote controls, RFID cards, the mobile app, or by calling the alarm panel.
- Away Arm: Activates all sensors. Use when leaving the premises.
- Home Arm: Activates perimeter sensors (e.g., door/window sensors) while allowing movement within the property.
- Disarm: Deactivates all sensors.
- Delay Arm/Disarm: Configurable delays allow time to exit or enter the property without triggering the alarm.
5.2 SOS Function
Press the SOS button on the main unit or remote control in an emergency. The system will immediately trigger the siren and send alerts to pre-programmed emergency contacts.
5.3 Scheduled Arm/Disarm
You can set up schedules for automatic arming and disarming of the system via the mobile app.

Image 5.1: Illustration of the scheduled arm and disarm feature, showing examples of setting specific times for the alarm system to automatically arm or disarm, such as for waking up, leaving for work, or going to sleep.
5.4 Alarm Calls and SMS
The system can store up to 5 family numbers to receive alarm calls and SMS messages when an alert is triggered.
- Access the 'Phone Number' settings on the alarm panel or through the mobile app.
- Enter up to 5 contact numbers for emergency alerts.
- When an alarm is triggered, the system will sequentially dial these numbers and send SMS notifications.

Image 5.2: Visual representation of the system's ability to preset five alarm call numbers, ensuring that multiple contacts are notified via phone calls and SMS messages in the event of an alarm, enhancing home security.
5.5 Mobile App Control
The 'Smart Life' or 'Tuya Smart' app provides real-time control and monitoring of your alarm system.
- Arm/Disarm the system remotely.
- Receive instant notifications and alarm history.
- Manage sensors and zones.
- Configure system settings.

Image 5.3: A hand interacting with the Smart Life mobile application, displaying options for disarming, arming away, arming home, and triggering an SOS, illustrating real-time control of the alarm system.
6. Maintenance
6.1 Battery Backup
The main unit includes a built-in Lithium-polymer backup battery, providing approximately 3 hours of operation during a power outage. The system will send an SMS notification if power is lost and restored.
6.2 Sensor Battery Replacement
Wireless sensors are powered by batteries. When a sensor's battery is low, the system will typically notify you via the alarm panel display or the mobile app. Refer to the individual sensor's instructions for battery type and replacement procedures.
7. Troubleshooting
If you encounter issues with your PGST alarm system, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Alarm panel not connecting to Wi-Fi | Incorrect Wi-Fi password; 5G Wi-Fi network; Weak signal. | Ensure correct 2.4G Wi-Fi password. Verify your router is broadcasting a 2.4G signal. Move the panel closer to the router. |
| GSM SIM card not working | SIM card not active; Insufficient credit; Incorrect insertion. | Check SIM card activation and balance. Reinsert the SIM card correctly. Test the SIM card in a mobile phone. |
| Sensors not triggering alarm | Sensor not paired; Low battery; Incorrect zone settings. | Ensure sensors are correctly paired. Replace sensor batteries. Check zone settings in the app or panel. |
| No notifications on mobile app | App permissions disabled; Poor internet connection; Incorrect notification settings. | Check app notification permissions on your phone. Ensure phone has stable internet. Verify notification settings within the Smart Life/Tuya app. |
| Remote control not working | Low battery; Not paired. | Replace remote control battery. Re-pair the remote control with the main unit if necessary. |
8. Specifications
- Model Number: PG108-2GEU-A
- Manufacturer: PGST
- Package Dimensions: 21.2 x 15.1 x 8.9 cm; 640 g
- Power Source: Battery / USB (5V DC)
- Battery Type: Lithium-ion (1 required, included)
- Average Battery Usage Time (Backup): 3 Hours
- Installation Method: Wireless DIY
- Connectivity Technology: USB, Wi-Fi (2.4G only), GSM
- Compatible Devices: Alexa, Google Home
- Control Method: App, Remote Control, RFID Card, Keypad
- Warning Type: Audio and Motion
- Max. Sensors: 100 wireless, 3 wired
- Door Sensor Range: Up to 100M (open area)
9. Warranty and Support
PGST products are designed for reliability and performance. For warranty information, please refer to the documentation provided with your purchase or contact your retailer. For technical support, please reach out to PGST customer service through their official channels. Keep your purchase receipt as proof of purchase for any warranty claims.





