1. Introduction
The PGST A519W-EU-F is a comprehensive wireless home alarm system designed to provide security and peace of mind. This system features a central siren unit, door/window sensors, remote controls, and an SOS button, all controllable via a mobile application through Wi-Fi connectivity. This manual provides detailed instructions for the installation, operation, and maintenance of your alarm system.

Image: The PGST Home Security System siren unit, highlighting its Wi-Fi connectivity for remote access and features such as >100dB volume, real-time alarm, quick response, and a built-in backup battery.
2. Package Contents
Please verify that all items listed below are present in your package. If any components are missing or damaged, please contact customer support.
- 1 x Central Siren Unit
- 5 x Door/Window Sensors
- 3 x Remote Controls
- 1 x SOS Button (integrated into remote control or separate, depending on kit version)
- 1 x Power Adapter for Siren Unit
- Mounting Accessories (e.g., adhesive pads, screws)
- User Manual

Image: A complete overview of the PGST A519W-EU-F alarm kit components, including the central siren, a PIR motion sensor (if included in specific kits), multiple door/window sensors, and remote controls.
3. Product Features
- Powerful Siren: Integrated 130dB siren for effective intrusion deterrence.
- Backup Battery: Built-in battery provides up to 24 hours of operation during power outages.
- Wireless Connectivity: Supports 2.4GHz Wi-Fi for remote control and notifications via mobile app.
- Door/Window Sensors: Detects unauthorized openings, triggering the alarm and sending alerts.
- Remote Controls: Convenient arming, disarming, and SOS functions.
- Mobile App Control: Manage your system from anywhere with the dedicated smartphone application (compatible with Smart Life/Tuya Smart).
- Easy Installation: Designed for quick and simple setup without complex wiring.

Image: An internal view of the PGST siren unit, illustrating its 24-hour backup battery feature, ensuring continuous protection even if the main power supply is interrupted.
4. Setup
4.1. Unboxing and Initial Check
Carefully unpack all components and ensure they match the package contents list. Inspect each item for any visible damage.
4.2. Central Siren Unit Placement
Place the central siren unit in a central location within your home, ensuring it is within Wi-Fi range and can be heard throughout the protected area. Avoid placing it near large metal objects or other devices that may interfere with wireless signals.
4.3. Power Connection
Connect the provided power adapter to the central siren unit and plug it into a standard electrical outlet. The unit will power on, and the internal backup battery will begin charging.
4.4. Mobile Application Installation
- Scan the QR code in the manual or search for "Smart Life" or "Tuya Smart" in your smartphone's app store (iOS or Android).
- Download and install the application.
- Register a new account or log in if you already have one.
4.5. Wi-Fi Connection
The central siren unit connects to your home's 2.4GHz Wi-Fi network for remote control. Follow the in-app instructions to add the device:
- Open the Smart Life/Tuya Smart app and tap "Add Device" or the "+" icon.
- Select "Security & Video Surveillance" > "Alarm (Wi-Fi)" or similar category.
- Follow the on-screen prompts to put the siren unit into pairing mode (usually by pressing a button on the unit).
- Enter your 2.4GHz Wi-Fi network name and password.
- Wait for the device to connect. Once connected, you can rename the device in the app.

Image: The PGST siren unit mounted on a wall, demonstrating its instant Wi-Fi connectivity to a home router for remote access and control.
4.6. Sensor Installation
The door/window sensors consist of two parts: a main sensor and a magnet. They should be installed on a door or window frame so that the two parts are aligned and close to each other (typically within 1-2 cm) when the door/window is closed.
- Clean the surface where the sensors will be mounted.
- Attach the main sensor part to the door/window frame and the magnet part to the moving door/window using the provided adhesive pads or screws.
- Ensure the alignment marks on both parts face each other.
- Test the sensor by opening and closing the door/window. The app should indicate the status change.

Image: Illustrates the placement of PGST door and window sensors in a home environment, showing children interacting with doors and windows where sensors are installed, emphasizing child protection.
4.7. Remote Control Pairing
The remote controls are typically pre-paired. If not, or if you need to add new ones, refer to the app's device management section or the siren unit's specific pairing instructions (often involves pressing a button on the siren while activating the remote).
5. Operating Instructions
5.1. Arming and Disarming
- Arm (Away Mode): Press the 'Lock' button on the remote control or select 'Arm' in the mobile app. The siren will emit a confirmation sound, and the system will be fully armed.
- Disarm: Press the 'Unlock' button on the remote control or select 'Disarm' in the mobile app. The siren will emit a confirmation sound, and the system will be disarmed.
- Home Arm (Stay Mode): If available, this mode arms perimeter sensors (e.g., door/window sensors) while allowing movement inside. Press the 'Home' button on the remote or select 'Home Arm' in the app.
5.2. SOS Function
In an emergency, press the 'SOS' button on the remote control. The siren will immediately sound, and emergency notifications will be sent to linked contacts via the mobile app.

Image: An elderly person on the floor, with a PGST remote control featuring an SOS button visible, and a smartphone displaying an emergency notification from the Smart Life app, highlighting the system's elderly protection feature.
5.3. Mobile App Control
The Smart Life/Tuya Smart app provides comprehensive control over your alarm system:
- Arm/Disarm: Control the system status remotely.
- Notifications: Receive instant alerts for alarms, low battery, or system status changes.
- Device Management: Add, remove, or configure sensors and remote controls.
- Settings: Adjust siren volume, alarm duration, entry/exit delays, and notification preferences.
- Automation: Integrate with other smart home devices (e.g., Amazon Alexa, Google Assistant).

Image: A family interacting with the PGST alarm system, demonstrating its 2.4 GHz Wi-Fi support and control via a mobile app, with icons indicating compatibility with Amazon Alexa, Google Assistant, Smart Life, and Tuya Smart.
5.4. Delayed Arming and Disarming
You can customize entry and exit delays through the mobile application. This allows you sufficient time to leave or enter your home without triggering the alarm immediately.

Image: A smartphone screen displaying the PGST alarm system's app settings, specifically showing options for customizing delayed arming and disarming, allowing users to set entry and exit delays.
6. Maintenance
6.1. Battery Check
- Siren Unit: The internal Lithium-ion backup battery has a lifespan of approximately 500 days. The app will notify you if the main unit's battery is low.
- Sensors: Door/window sensors are typically powered by coin cell batteries. Replace them when the app indicates a low battery status for a specific sensor.
- Remote Controls: Replace batteries in remote controls when their range or responsiveness decreases.
6.2. Cleaning
Wipe the siren unit and sensors with a soft, dry cloth. Do not use liquid cleaners or abrasive materials, as these can damage the devices.
6.3. Firmware Updates
Periodically check the mobile application for available firmware updates for your siren unit. Updates can improve performance and add new features.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Siren not responding/no power. | Power adapter disconnected; backup battery depleted. | Ensure power adapter is securely plugged in. Allow time for backup battery to charge. |
| Cannot connect to Wi-Fi. | Incorrect Wi-Fi password; 5GHz network selected; weak signal. | Verify Wi-Fi password. Ensure you are connecting to a 2.4GHz network. Move siren closer to router. |
| Sensor not triggering alarm. | Sensor battery low; improper alignment; sensor not paired. | Check sensor battery status in app and replace if needed. Re-align sensor and magnet. Re-pair sensor if necessary. |
| Remote control not working. | Remote control battery low; out of range; not paired. | Replace remote control battery. Move closer to siren unit. Re-pair remote control. |
| App notifications not received. | App permissions disabled; phone's notification settings. | Check app notification permissions in your phone's settings. Ensure app is running in the background. |
8. Specifications
- Model Number: PGST103F
- Dimensions (L x W x H): 26.5 x 26.5 x 6.7 cm (10.4 x 10.4 x 2.6 inches)
- Weight: 1213 Grams (2.67 lbs)
- Color: White
- Power Source: AC Power with Backup Battery
- Voltage: 5 Volts
- Installation Method: Wireless
- Sound Level: 85-130 Decibels (Siren)
- Battery Type: Lithium-ion (included)
- Battery Life (Siren Backup): Approximately 500 days (standby)
- Connectivity Technology: Wi-Fi 2.4GHz
- Compatible Devices: Smartphone (iOS/Android)
- Alert Type: Audible and Mobile Notifications
9. Warranty and Support
9.1. Warranty Information
This product typically comes with a manufacturer's warranty. Please refer to your purchase documentation or contact your retailer for specific warranty terms and duration. Spare parts availability is generally 2 years from the date of purchase.
9.2. Customer Support
For technical assistance, troubleshooting, or warranty claims, please contact PGST customer support through their official website or the contact information provided with your product packaging. Ensure you have your model number (A519W-EU-F or PGST103F) and purchase details ready.





