1. Utangulizi wa Mfumo
The KERUI W204 is a high-end GSM/WIFI dual-network alarm system featuring a 2.4-inch TFT color screen and touch buttons. Powered by a robust built-in CPU, it offers stable and reliable performance, supporting 4G networks for comprehensive security. The system wirelessly connects to various accessories such as infrared sensors, door sensors, smoke detectors, gas detectors, and emergency buttons.
Upon detecting an alarm event, the system displays the alarm zone on its color screen, activates an audible alarm, and sends text messages and calls to pre-set phone numbers to notify users.


2. Maagizo ya Kuweka
2.1 Kuanzisha Upyaji wa Awali na Muunganisho wa Mtandao
- Connect the alarm panel to a power source using the provided power adapter.
- Insert a valid 4G SIM card (if using 4G functionality) into the designated slot on the back of the panel.
- The system will automatically attempt to connect to the network. Ensure a stable Wi-Fi connection for optimal performance.
2.2 Tuya Smart App Setup
- Download the “Tuya Smart” app from your smartphone’s app store (iOS/Android).
- Jisajili au ingia kwenye akaunti yako ya Tuya Smart.
- On the app, tap “Add Device” and select “Security & Video Surveillance” > “Alarm (Wi-Fi)”.
- Follow the on-screen prompts to connect the W204 alarm panel to your Wi-Fi network. This typically involves entering your Wi-Fi password and confirming the device is in pairing mode.
2.3 Pairing Sensors and Remote Controls
The W204 system supports various wireless sensors and remote controls. Follow these general steps to pair them:
- On the alarm panel, navigate to the “Accessories” or “Sensors” menu.
- Select “Add Sensor” or “Add Remote”.
- Trigger the sensor (e.g., open a door for a door sensor, wave hand in front of a PIR sensor, press a button on the remote control).
- The panel will confirm successful pairing. Assign the sensor to a specific zone (e.g., Zone 01 for door sensor, Zone 02 for PIR sensor).

3. Maagizo ya Uendeshaji
3.1 Kuweka Silaha na Kupokonya Silaha kwa Mfumo
- Kitufe: Enter your password and press the arm/disarm button on the panel.
- Udhibiti wa Mbali: Press the arm or disarm button on the remote.
- Programu ya Tuya Smart: Use the arm/disarm functions within the app interface.
- Kadi ya RFID: Swipe the RFID card over the designated area on the panel to disarm.

3.2 Silaha/Silaha Zilizoratibiwa
The system supports up to 8 groups of scheduled arm/disarm functions. This allows you to automate the system's status based on your daily routine.
- Access the “Schedule” settings on the alarm panel or via the Tuya Smart app.
- Set desired arm and disarm times for specific days of the week.
- Save the settings to activate the schedule.

3.3 Kengele ya SOS
In case of an emergency, press the SOS button on the alarm panel or remote control. The system will immediately trigger an alarm and notify pre-set emergency contacts.
3.4 Auto-Dialer Function
The system can automatically dial up to 6 designated phone numbers in the event of a security breach, ensuring no emergency information is missed.

3.5 Sauti ya Njia Mbili
The host can function as a common phone, allowing direct calls to other phones. This feature enables two-way communication through the alarm panel.

3.6 Uchaguzi wa Lugha
The system supports 8 languages: English, German, Italian, Russian, Spanish, Japanese, Portuguese, and Chinese. You can change the language setting through the system menu on the panel or via the Tuya Smart app.

4. Matengenezo
4.1 Usimamizi wa Betri
- Paneli Kuu: The W204 alarm panel includes a 3.7V high-capacity lithium-ion backup battery, providing approximately 8 hours of operation during a power outage. Ensure the panel is always connected to power when available to keep the backup battery charged.
- Sensorer: Wireless sensors (PIR, door/window) are typically battery-powered. The system will provide a low battery reminder for these sensors. Replace batteries promptly to ensure continuous protection. Refer to individual sensor specifications for battery types (e.g., CR2450 for P831 PIR, 1*23A 12V for D025 door sensor).

4.2 Usafishaji na Utunzaji
- Wipe the alarm panel and sensors with a soft, dry cloth. Avoid using abrasive cleaners or solvents.
- Ensure sensors are free from dust and obstructions to maintain optimal detection performance.
- For outdoor sirens or cameras, periodically check for debris or insect nests that might interfere with operation.
5. Utatuzi wa shida
| Tatizo | Sababu inayowezekana | Suluhisho |
|---|---|---|
| System not connecting to Wi-Fi/4G | Incorrect password, weak signal, or SIM card issue. | Verify Wi-Fi password, check signal strength, ensure SIM card is correctly inserted and active. Try restarting the panel. |
| Sensors not pairing | Sensor too far from panel, low sensor battery, or incorrect pairing procedure. | Move sensor closer to the panel, replace sensor battery, and re-attempt pairing following the steps in Section 2.3. |
| Alarm triggers falsely | Improper sensor placement, environmental factors (pets, drafts), or sensor malfunction. | Adjust sensor sensitivity, reposition sensors to avoid false triggers (e.g., away from vents), ensure anti-pet PIR sensors are used if pets are present. |
| Hakuna arifa zilizopokelewa | Incorrect phone numbers, app permissions, or network issues. | Verify emergency contact numbers in settings, check app notification permissions, ensure stable network connection (Wi-Fi/4G). |
| Language display issue | Mpangilio usio sahihi wa lugha. | Navigate to the system settings on the panel or in the Tuya Smart app and select your preferred language. |
6. Vipimo
6.1 Main Panel (W204)
- Uingizaji Voltage: DC5V
- Hali ya Kudumu: <50mA
- Kengele ya Sasa: <450mA
- Mzunguko wa Wireless: 433MHz
- GSM Standard: Support GSM850/900/1800/1900MHz
- Module Standard: Support GSM, TD-SCDMA, CDMA, WCDMA, TDD-LTE and FDD-LTE
- Nakala ya Betri: 3.7V high-capacity lithium ion battery (approx. 8 hours operation)
- Siren Loudness: 80DB (built-in siren)
- Onyesha: Ndiyo (skrini ya rangi ya TFT ya inchi 2.4)
- Kibodi ya Nenosiri: Ndiyo
- Nambari ya eneo: 99
- Nambari ya Pato: 5
- Kiolesura cha Mawasiliano: Bila waya
- Aina ya Kujihami: APP
- Kiolesura cha Video: Hapana
- Jukwaa la Nyumba Mahiri: Tuya
- Uthibitishaji: CE
- Aina ya Kengele: Kengele, SMS, Udhibiti wa Programu
6.2 Compatible Accessories (Exampchini)
| Nyongeza | Mfano | Vigezo Muhimu |
|---|---|---|
| Kichunguzi cha Mwendo wa PIR | P831 | Transmission: 433MHz, Power: CR2450 Battery x1 (not included), Detection Range: 0-8m, Angle: 110°, Wireless Distance: 100m (open area), Low Battery Reminder. |
| Waterproof PIR Outdoor Motion Detector | P861 | Power: DC 3V, 2*AA Batteries (not included), Detection Distance: <6-12m (open area), Angle: 90°, Outdoor usage: waterproof (IPV4), Installation height: 1-2m (vehicle), 2-4m (human). |
| Solar Outdoor Siren | SJ1 | Built-in battery: 3.7V/2200mAh, Input: DC5V, Standby: <8mA, Alarm Current: <1000mA, Wireless: 433MHz, Receive distance: 100m (Open Space), Loudness: 110dB, Max alarm time: 5 minutes, Working temp: -20°C-50°C. |
| Kadi ya RFID | N/A | Read time: 1-2ms, Working Temp: -10°C ~ 50°C, Humidity: <95% non-condensing, Frequency: 125KHz, Sensing Distance: 1-2cm, Material: ABS/PVC. |
| Tuya Indoor Camera | K259 | Power: AC 100-240V 50/60Hz, Output: DC 5V-1A, Working Temp: -10°C ~ 60°C, Humidity: 20% ~ 95% non-condensing, Focal length: 3.6mm, Resolution: 1080P(1920*1080), Compression: H.264, ViewPembe ya Kuingiza: 135° (D)/85° (H), LED: Vipande 6 vya LED ya 850nm SMT IR. |
| Anti-pet PIR Motion Detector | N/A | Power: 2*AA Batteries (not included), Standby: <15uA, Alarm: <10mA, Transmission distance: 30-80m (open area), Installation height: 2.2m, Detection distance: 6-15m, Detection range: 90-110°, Transmission: 433MHz. |
| Siren isiyo na waya | J009 | Power Input: AC 100-240V, Audio Alarm: 110dB, Volume Adjustable: 8 Levels, Compatible with normal coding PT1527 and PT2262, Wireless support: 30 pcs remote control and 50 pcs detector. |
| Siren ya nje isiyo na waya | J008 | Ingizo voltage: DC9-15V, Built-in battery: Ni-Hi AAA*6 DC 7.2V, F8 battery: 12V/23A, Standby: <20mA, Alarm: <300mA, Received frequency: 433MHz, Received distance: 80m (open area), Sound time: 5minutes. |
| Tuya Outdoor Camera | TY-Q1 | Power: AC 100-240V 50/60Hz, Output: DC 12V-2A, Working Temp: -10°C ~ 50°C, Humidity: 10% ~ 95% non-condensing, Support memory card: up to 128GB(C10), Resolution: 1080P(1920*1080), Compression: H.264, PT Angle: 270°/90°, LED: 4 Light LED & 4 IR LED. |
| Tuya Smart Socket | N/A | Wi-Fi Standard: 2.4GHz b/g/n, Power Supply: AC 110-240V 50/60Hz, Standby Power: 1.3W, Max Load: 1100W, Operating Temp: -10 ~ 40°C, Rated load current: 10A, Material: ABS PC, Size: 55*55*53mm. |
| King'ora cha Mini Wired | N/A | Kufanya kazi voltage: 12V (power from alarm panel), Working currents: <350mA, Audio Alarm: 120-125dB, Temperature Range: -40~80°C. |
| Kidhibiti cha Mbali | RC531 / RC532 | Power Supply: CR2032 x1 (included), Working Temp: 0-50°C, Humidity: 10%-95%, Transmitting Distance: <100m (Open Area/No Interference), Radio Frequency: 433MHz. |
| Tuya Smart WiFi Water Leakage Detector | N/A | Battery: AAA 1.5V*2, Standby Current: <5uA, Wireless Type: 2.4GHz, Operating Temp: -10°C ~ 40°C, Humidity: 20% ~ 85%, Detection mode: Water sense detection, Installation mode: Hanging, Standby Time: 4-6 months, Size: 70*36*19. |
| Sensor ya Window ya mlango | D025 | Transmission: 433MHz, Power: 1*23A 12V battery (not included), Built-in Antenna, Size: 75*36*16mm, Wireless Distance: 100m (open area). |
| Kichunguzi cha Moshi | S20 | Power: AAA battery x2 (not included), Power consumption: <10uA@standby, <150mA@alarm, Sensor: photoelectric, Alarm volume: 80dBA@1m, Low voltage alarm: <2.4V, Working Temp: -10~55°C, Wireless: 433MHz/10dBm/EV1527 encoding protocol. |
7. Vidokezo vya Mtumiaji
- Mipangilio ya Lugha: If you encounter issues with the system language, ensure you have selected the correct language in the panel settings or through the Tuya Smart app. The system supports multiple languages, and incorrect selection can lead to confusion.
- Uwekaji wa Sensor: For optimal performance, place door/window sensors on the main entry points. Position PIR motion detectors in areas where intruders are likely to walk, avoiding direct sunlight or heat sources that could cause false alarms.
- Ujumuishaji wa Programu: Leverage the Tuya Smart app for convenient remote control, status monitoring, and advanced scheduling features. Regularly check the app for system notifications and alerts.
8. Udhamini na Msaada
8.1 Dhamana ya Bidhaa
We accept returns for unsatisfactory items. Please report any defective products within 30 days of receipt. Returned items must include all original parts and accessories. A refund will be issued once the returned items are received and inspected.
8.2 Usaidizi kwa Wateja
For any issues or questions regarding your KERUI W204 Home Alarm System, please contact our customer service team. We are committed to providing the best possible support and resolving any problems you may encounter.





