1. Pengenalan
The KERUI G18 GSM Business Wireless Burglar Alarm System is a comprehensive security solution designed to protect your home or business. This system utilizes GSM technology for communication, allowing for remote control and alerts via phone calls and SMS messages. It features a user-friendly interface with an intelligent LED display and voice prompts.
This manual provides detailed instructions for the installation, operation, maintenance, and troubleshooting of your G18 alarm system. Please read it thoroughly before using the product to ensure proper functionality and safety.
2. Kandungan Pakej
Upon opening the package, verify that all components listed below are present and in good condition:
- 1x G18 Main Panel
- 2x PIR Motion Sensors
- 5x Penderia Pintu
- 2x Alat Kawalan Jauh
- 1x Wired Siren
- 1x UK Power Supply
- Free Batteries and Mounting Hardware
Nota: A standard-sized GSM SIM card is required for the system's communication features (calls and SMS) and is not included in this package.

Imej: Selesaiview of the KERUI G18 alarm system components, showing the main control panel, two PIR motion sensors, five door/window sensors, two remote controls, and a wired siren.
3. Ciri-ciri Utama
- Smart Home Alarm: Auto-dialer function calls and sends SMS texts to 6 designated phone numbers sequentially upon security breach.
- Sistem Komprehensif: 99 zones capacity with 8 zone attributes (Normal, Home, Arm, Intelligent, Emergency, Closed, Chime, Welcome, Help Senior). Supports up to 150 sensors and 150 remote controls.
- Penyerahan Senjata/Pelucutan Senjata Berjadual: 4 groups of scheduled arming/disarming times.
- Kawalan Jauh: Control the alarm panel via phone calls, SMS, or remote controls.
- Tamper Switch & Memory Function: T terbina dalamamper switch protects the panel from unauthorized removal.
- Makluman: Caller number display, mains power ON/OFF warning.
- One-Key Control: Away arm, Home arm, arm by remote controller or phone call; SOS, fire, door, hall, window, balcony, and boundary places alarm.
- Kuasa Sandaran: Main Panel includes an 8-hour lithium rechargeable backup battery.
- Keselamatan: Custom passcode locks the panel and is required to disarm the alarm.
- Interkom Dua Hala: Remote arm, disarm, and 2-way intercom monitoring by phone (listening in to your main panel location).
- Keserasian: Supports RFID keypad, wireless siren, and Contact ID protocol.
- Kawalan Apl Mudah Alih: Free mobile app "G18 Alarm System" for iOS and Android for remote management.

Image: A visual representation of the KERUI G18 system's connectivity, showing the main panel, remote controls, power adapter, SIM card insertion, and various alarm functions like SMS/Call, On-site alarm, SOS, APP push, and scheduled settings.

Image: Illustrates various applications of the KERUI G18 alarm system, including protection against burglary, security for businesses, SOS functionality for elderly individuals, and child safety protection.
4. Persediaan dan Pemasangan
4.1 Main Panel Setup
- Sambungan Kuasa: Connect the UK power supply to the G18 Main Panel and plug it into a wall outlet. The panel has an internal rechargeable battery for backup power.
- Sisipan Kad SIM: Open the SIM card slot cover on the main panel. Insert a standard-sized GSM SIM card with active credit. Ensure the SIM card is inserted correctly according to the diagram on the panel.
- Kuasa Awal Hidup: Press the power button to turn on the main panel. The LED display will light up.
- Tetapan Bahasa: Ikut gesaan pada skrin untuk memilih bahasa pilihan anda.
- Tetapan Masa dan Tarikh: Set the current time and date on the panel for accurate event logging.
4.2 Pemasangan Sensor
All sensors are pre-programmed and come with batteries installed. Ensure proper placement for optimal detection.
4.2.1 PIR Motion Sensors
- Mount PIR sensors in corners of rooms or hallways, approximately 2.2-2.5 meters (7-8 feet) from the floor.
- Avoid direct sunlight, heat sources, or areas with strong air currents (e.g., near vents) to prevent false alarms.
- Ensure the sensor's detection area covers the desired entry points or high-traffic zones.
4.2.2 Door/Window Sensors
- Install the main part of the sensor on the door or window frame and the magnetic part on the moving door or window.
- Ensure the two parts are aligned and within 1 cm (0.4 inches) of each other when the door/window is closed.
- Use the provided adhesive or screws for secure mounting.
4.2.3 Wired Siren
- Connect the wired siren to the designated siren port on the main panel.
- Place the siren in a location where its sound can be clearly heard, preferably indoors to protect it from weather.

Image: Depicts the various components of the KERUI G18 alarm system, including the main alarm host, siren, PIR motion detection sensor, door sensor, remote control, and a smartphone demonstrating APP control, all integrated into a typical home environment.
5. Arahan Operasi
5.1 Mempersenjatai dan Melucutkan senjata
- Lengan Jauh: Activates all sensors. Ideal when no one is home. Can be done via panel, remote control, phone call, or app.
- Lengan Rumah: Activates perimeter sensors (e.g., door/window sensors) while allowing free movement inside. Can be done via panel, remote control, phone call, or app.
- Lumpuhkan senjata: Deactivates the alarm system. Can be done via panel (with passcode), remote control, phone call, or app.
5.2 Programming Phone Numbers
The system can store up to 6 alarm phone numbers for calls and SMS alerts.
- Access the "Number Settings" menu on the main panel.
- Enter the desired phone numbers for alarm calls and SMS notifications.
- Save the settings. The system will dial these numbers sequentially in case of an alarm.

Image: Illustrates the KERUI G18 alarm system's alert mechanism, where an intrusion triggers both a phone call and an SMS text message to pre-set contacts, demonstrating how multiple individuals can be notified simultaneously.
5.3 Kawalan Aplikasi Mudah Alih
The "G18 Alarm System" app provides full remote control and configuration capabilities.
- Download the app from the App Store (iOS) or Google Play Store (Android).
- Apl iOS: G18 Alarm System on App Store
- Aplikasi Android: G18 Alarm System on Google Play
- Register your device within the app using the provided instructions.
- Use the app to Arm, Disarm, Home Arm, set delay times, schedule alarms, manage phone numbers, and configure zone attributes.

Image: Displays screenshots of the KERUI G18 mobile application, illustrating its main operation screen, settings menu, and the interface for presetting arming and disarming times, demonstrating remote control capabilities.

Image: Shows the KERUI G18 mobile application interface for remote control, alongside QR codes for easy download of the app on both iOS and Android smartphones.
5.4 Atribut Zon
The G18 system offers 8 zone attributes to customize sensor behavior:
- Biasa: Standard alarm trigger.
- Rumah: Active in Home Arm mode.
- lengan: Active in Away Arm mode.
- Pintar: Requires two triggers within 30 seconds to activate alarm (useful for pets).
- Kecemasan: Triggers immediate alarm regardless of arming status (e.g., SOS button).
- Ditutup: Zone is bypassed/disabled.
- loceng: Sounds a chime when triggered, no alarm.
- selamat datang: Sounds a welcome tone when triggered.
- Help Senior: Specific attribute for senior assistance.
6. Penyelenggaraan
- Penggantian Bateri: Replace batteries in wireless sensors (PIR, door/window) when the low battery indicator appears on the main panel or app. The main panel's internal battery is rechargeable and should be kept charged.
- Pembersihan: Gently wipe the main panel and sensors with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Ujian Sistem: Periodically test your alarm system (e.g., once a month) by triggering a sensor to ensure the siren sounds and alerts are sent to your phone numbers. Inform your contacts before testing.
- SIM Card Credit: Ensure your GSM SIM card has sufficient credit to send SMS and make calls for alarm notifications.
7. Penyelesaian masalah
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| System not arming/disarming via remote. | Remote control battery low or out of range. | Replace remote control battery. Move closer to the main panel. |
| No alarm calls/SMS received. | No SIM card, SIM card credit low, incorrect phone numbers programmed, or poor GSM signal. | Ensure SIM card is inserted and has credit. Verify programmed numbers. Check GSM signal strength on the panel. |
| False alarms from PIR sensors. | Incorrect placement (near heat sources, direct sunlight, pets) or "Normal" zone attribute for pet areas. | Relocate sensor. Change zone attribute to "Intelligent" for areas with pets. |
| Main panel not powering on. | Power adapter issue or internal battery depleted. | Check power adapter connection. Allow time for internal battery to charge. |
| Sensors not triggering alarm. | Sensor battery low, sensor out of range, or sensor not properly paired/enabled. | Replace sensor battery. Move sensor closer to panel. Re-pair sensor if necessary. Check zone attribute. |
8. Spesifikasi
- model: KERUIG18
- Jenama: BANDAR
- Sumber Kuasa: AC (UK Power Supply included)
- Bateri Sandaran: 8-hour Lithium rechargeable (included)
- Bahan: ABS
- warna: putih
- Berat Barang: Kira-kira 998 g
- Max Sensors: 150 wireless sensors
- Max Remote Controls: 150 alat kawalan jauh
- GSM Support: Standard-sized GSM SIM card (not included)
- Keserasian Apl: iOS and Android ("G18 Alarm System" app)
- Battery Life (Sensors): Approximately 180 days (for AA batteries in PIR sensors)
9. Waranti dan Sokongan
For warranty information and technical support, please refer to the documentation provided with your purchase or contact TOWODE customer service directly. You can also visit the official TOWODE store on Amazon for further assistance and product information:
Visit the TOWODE Store on Amazon
For additional resources and video tutorials, you may search for "Kerui G18/W18" on YouTube.



