1. Introduction
The PG-103 is a state-of-the-art 4G Tuya APP Wireless Alarm System designed to provide comprehensive security for your home or business. This system integrates WiFi and GSM/4G connectivity, allowing for remote monitoring and control via the Tuya Smart app. It is compatible with a wide range of 433MHz wireless sensors, offering flexibility to customize your security setup. This manual provides essential information for setting up, operating, and maintaining your PG-103 alarm system.

2. Package Contents
Please check the package to ensure all components are present:
- PG-103 Alarm Host (Main Panel)
- Power Adapter (DC5V)
- Wireless Door/Window Sensors
- Wireless PIR Motion Detectors
- Remote Controls
- RFID Tags
- Wireless Siren (optional, depending on kit)
- Wireless Gas Detector (optional, depending on kit)
- Wireless Smoke Detector (optional, depending on kit)
- Wireless SOS Button (optional, depending on kit)
- User Manual (this document)

3. Specifications
| Feature | Specification |
|---|---|
| Brand Name | PGST |
| Model Number | PG103 |
| Kit Configuration | Door/Window Sensor |
| Arming Type | FR Remote-controller |
| Video Interface | Yes |
| Display | Yes |
| Password Keyboard | Yes |
| Zone Number | 99 |
| Output Number | 99 |
| Origin | Mainland China |
| Smart home platform | Tuya |
| Certification | CE |
| Alarm Type | The Alarm, Apps Control, PSTN, GPRS |
| Power (W) | DC5V |
4. Setup
4.1 Main Panel Installation
The PG-103 alarm host offers flexible installation options:
- Desktop Placement: Use the integrated stand to place the panel on a flat surface.
- Wall Installation: Mount the panel securely to a wall using appropriate hardware (not included).

4.2 Powering On
- Connect the provided DC5V power adapter to the alarm host.
- Plug the adapter into a standard power outlet. The panel will power on automatically.
4.3 App Connection (Tuya Smart)
- Download the "Tuya Smart" app from your smartphone's app store (iOS or Android).
- Register or log in to your Tuya Smart account.
- On the app, tap '+' to add a new device.
- Follow the on-screen instructions to connect the PG-103 alarm host to your home WiFi network. The system also supports GSM/4G for cellular backup.
4.4 Pairing Wireless Sensors
The PG-103 system supports up to 99 zones and can connect to various 433MHz wireless sensors. Refer to the specific sensor's manual for pairing instructions, which typically involve putting the alarm host into pairing mode and triggering the sensor.

5. Operating Instructions
5.1 Arming and Disarming
The system offers multiple ways to arm and disarm:
- Via Alarm Host: Use the keypad on the main panel to enter your password and select arm/disarm modes (Home, Away, Disarmed).
- Via Remote Control: Use the dedicated buttons on the remote control for quick arming/disarming.
- Via Tuya Smart App: Control the system remotely from your smartphone. The app allows you to set 'Away' mode when you leave, ensuring all sensors are active.
5.2 Alarm Notifications
When an alarm is triggered, the system will:
- Activate the siren (if connected).
- Send instant notifications to your smartphone via the Tuya Smart app.
- Make calls to pre-programmed numbers (PSTN/GSM/4G functionality).

5.3 SOS Function
In case of emergency, press the SOS button on the main panel or a paired wireless SOS button. The system will immediately trigger an alarm and notify emergency contacts.
5.4 Smart Home Integration
The PG-103 system is compatible with Tuya, Amazon Alexa, and Google Assistant, allowing for voice control and integration into your broader smart home ecosystem.
6. Maintenance
6.1 Cleaning
Wipe the alarm panel and sensors with a soft, dry cloth. Avoid using abrasive cleaners or solvents that could damage the surfaces.
6.2 Battery Replacement
Wireless sensors are powered by batteries. When a sensor's battery is low, the system will typically notify you via the app or a visual indicator on the sensor. Replace batteries promptly to ensure continuous protection. Refer to individual sensor manuals for specific battery types and replacement procedures.
6.3 System Updates
Periodically check the Tuya Smart app for any available firmware updates for your alarm host. Keeping your system updated ensures optimal performance and security.
7. Troubleshooting
7.1 Common Issues
- No Power: Ensure the power adapter is securely connected to the alarm host and a working power outlet.
- Sensor Not Responding: Check the sensor's battery. Re-pair the sensor with the alarm host if necessary.
- App Connectivity Issues: Verify your WiFi network is active and the alarm host is within range. Restart the alarm host and your router if problems persist.
- False Alarms: Ensure PIR motion detectors are placed away from heat sources, direct sunlight, or areas with pets. Check door/window sensors for proper alignment.
7.2 Frequently Asked Questions (FAQ)
- Q: Does the alarm system make calls when the alarm is triggered?
- A: Yes, the PG-103 system supports PSTN and GSM/4G communication. You can configure emergency contact numbers in the Tuya Smart app, and the system will make calls to these numbers when an alarm is triggered.
8. User Tips
- Optimal Sensor Placement: Place door/window sensors on main entry points. Position PIR motion detectors in corners to cover wider areas, avoiding direct views of windows or heat sources to prevent false alarms.
- Regular Testing: Periodically test all sensors and the alarm functionality to ensure the system is working correctly.
- Customize Settings: Utilize the Tuya Smart app to customize alarm delays, notification preferences, and arming schedules to fit your lifestyle.
- Battery Management: Keep spare batteries for your wireless sensors and replace them proactively when low battery alerts are received.
9. Warranty and Support
Your PG-103 Smart Home Security System is covered by a standard manufacturer's warranty against defects in materials and workmanship. For specific warranty terms and conditions, please refer to the documentation provided at the time of purchase or contact your retailer.
For technical support, troubleshooting assistance, or inquiries about your product, please contact the customer service department of your retailer or the manufacturer directly. Keep your purchase receipt and product model number handy when seeking support.