1. Introdución
The Fuers WLAN Water Leak Detector (Model WFSJ01) is designed to provide real-time monitoring for water leaks and drips in your home or office. This device connects to your 2.4 GHz Wi-Fi network and sends instant notifications to your smartphone via the Tuya app, allowing for prompt action to prevent potential water damage. Its robust design and dual detection capabilities make it an essential tool for safeguarding your property.
2. Información de seguridade
- Non expoña o dispositivo a temperaturas extremas nin á luz solar directa.
- Manteña o dispositivo lonxe de nenos e animais.
- Use só o tipo de pila especificado (2 pilas AAA).
- Asegúrese de polaridade correcta da batería durante a instalación.
- Elimina as baterías usadas segundo a normativa local.
- Non intente desmontar nin reparar o dispositivo vostede mesmo. Póñase en contacto co servizo de asistencia se é necesario.
3. Contido do paquete
- 1 x Fuers WLAN Water Leak Detector (Model WFSJ01)
- 2 x pilas AAA
- 1 x Manual de usuario
4. Produto rematadoview
The Fuers WLAN Water Leak Detector features a compact design with advanced sensors for reliable water detection. It operates wirelessly and integrates with the Tuya Smart Life app for remote monitoring and alerts.
Características principais:
- Smart Monitoring & Remote Notifications: Connects via 2.4 GHz Wi-Fi to send real-time alerts to your smartphone.
- Dual Detection Modes: Equipped with rear sensors for leak detection and a front probe for small drip detection.
- 100dB Local Alarm: Emits a loud audible alarm upon water detection.
- Clasificación de impermeabilidade IP67: Designed for long-term use in humid environments.
- Material ABS duradeiro: High-quality construction ensures longevity and resistance to breakage.
- Alimentado por batería: Operates on 2 AAA batteries (included) for flexible placement and continuous protection during power outages.
- Aviso de batería baixa: Sends app notifications when batteries need replacement.
Compoñentes:
The device consists of a main body housing the electronics, battery compartment, and an audible alarm. It features two types of sensitive probes:
- Sensores traseiros: For detecting widespread water leaks.
- Front Probe: Specifically designed for detecting small drips.

Image: The Fuers Water Leak Detector with its battery compartment open, revealing two AAA batteries and illustrating the front and rear sensitive probes.
5. Configuración
5.1 Instalación da batería
- Gently twist the cover of the device counter-clockwise to open it.
- Confirm the positive (+) and negative (-) poles inside the battery compartment.
- Insert the two AAA batteries, ensuring correct polarity.
- Align the cover and twist clockwise to tighten and secure it.

Image: A four-step visual guide demonstrating how to open the device cover, confirm battery polarity, insert AAA batteries, and securely close the cover.
5.2 App Pairing (Tuya Smart Life)
- Descarga a aplicación "Tuya Smart" ou "Smart Life" desde a tenda de aplicacións do teu teléfono intelixente (iOS ou Android).
- Rexístrate ou inicia sesión na túa conta.
- Ensure your smartphone is connected to a 2.4 GHz Wi-Fi network. The device does not support 5 GHz Wi-Fi.
- Open the app and tap the "+" icon to add a new device.
- Select "Security & Video Surveillance" > "Water Leak Sensor (Wi-Fi)" or search for "Water Leak Sensor".
- Follow the on-screen instructions to put the device into pairing mode (usually involves pressing and holding a button on the device until an indicator light flashes).
- Enter your Wi-Fi network password in the app.
- Wait for the device to connect. Once connected, you can rename the device and assign it to a specific room.
6. Instrucións de funcionamento
Once set up, the Fuers WLAN Water Leak Detector continuously monitors for water presence. It features two primary detection methods:
- Detección de fugas: The rear sensors detect larger water leaks, triggering a 100dB alarm and sending an immediate app notification.
- Drip Detection: The front probe is designed to detect small drips, ideal for placement under faucets or pipes. This also triggers the alarm and app notification.

Image: A visual representation of the device's ability to detect both small drips and larger leaks, highlighting its versatile sensing capabilities.
Receiving Alerts:
When water is detected, the device will:
- Emit a loud 100dB audible alarm.
- Send a real-time push notification to your smartphone via the Tuya Smart Life app.

Image: The water leak detector placed on a wet surface, indicating a leak, while a smartphone displays a 'Water Leakage Alarm' notification from the app.
You can customize notification settings within the Tuya Smart Life app. The app also allows you to view the device's status and battery level.
7. Mantemento
7.1 Substitución da batería
The device operates on 2 AAA batteries with a standby time of up to two years. The app will send a low battery warning notification to your smartphone when the batteries need replacement. To replace batteries, follow the steps in Section 5.1.

Image: The Fuers Water Leak Detector with its battery compartment open, showing two AAA batteries and a graphical representation of battery life, indicating up to 2 years of standby time.
7.2 Limpeza
Wipe the device with a soft, dry cloth. Do not use abrasive cleaners or immerse the device in water (beyond its intended IP67 rating for detection) as this may damage internal components.
8 Solución de problemas
| Problema | Causa posible | Solución |
|---|---|---|
| O dispositivo non se conecta á wifi | Incorrect Wi-Fi password; Not a 2.4 GHz network; Device too far from router; Pairing mode not activated. | Verify Wi-Fi password. Ensure router is 2.4 GHz. Move device closer to router. Re-enter pairing mode as per app instructions. |
| Sen notificacións de aplicacións | App notifications disabled; Device offline; Low battery. | Check app notification settings. Verify device is online in the app. Replace batteries if low battery warning is present. |
| A alarma non soa | Batería baixa; Avaría do dispositivo. | Substitúa as pilas. Se o problema persiste, póñase en contacto co servizo de atención ao cliente. |
| Falsas alarmas | Condensation or high humidity; Device placed on a damp superficie. | Ensure placement is on a dry surface. Avoid areas with excessive condensation. |
9. Especificacións
- Número de modelo: WFSJ01
- Dimensións: 20 mm (L) x 50 mm (An) x 65 mm (Al)
- Fonte de enerxía: 2 pilas AAA (incluídas)
- Conectividade sen fíos: Wi-Fi 2.4 GHz (IEEE 802.11b/g/n)
- Aplicación compatible: Tuya Smart / Smart Life
- Volume da alarma: 100 dB
- Clasificación impermeable: IP67
- Material: Plástico ABS de alta calidade
- Max Range (Wireless): 20 metros (sen obstáculos)
- Tecnoloxía de sensores: Sensor de contacto
- Tipo de instalación: Floor/Surface Mount

Image: The Fuers Water Leak Detector partially submerged in water, demonstrating its IP67 waterproof and durable construction.
10. Garantía e soporte
This product comes with a standard manufacturer's warranty. For detailed warranty information, please refer to the documentation included with your purchase or contact the retailer. For technical support, troubleshooting assistance, or any inquiries regarding your Fuers WLAN Water Leak Detector, please visit the official Fuers websitio ou póñase en contacto co seu departamento de atención ao cliente.
Recursos en liña:
- Tuya Smart App: www.tuya.com/app
- Aplicación Smart Life: www.smartlife.com/app