1. Introducció
This manual provides detailed instructions for the installation, operation, and maintenance of your MZZYG Tuya 7-Inch Wired Video Doorbell System. Please read this manual thoroughly before using the product to ensure proper function and safety. Keep this manual for future reference.
2. Producte acabatview i contingut del paquet
The MZZYG Tuya Video Doorbell System is designed to enhance your home security with a 1080P camera, a 7-inch touchscreen monitor, and Wi-Fi connectivity. It supports remote unlocking, two-way communication, and motion detection.
2.1 Contingut del paquet
Verifiqueu que tots els elements siguin presents al vostre paquet:
- Outdoor Doorbell Unit (1080P Camera)
- Indoor Monitor Unit (7-inch TFT-LCD Touchscreen)
- Power Adapter for Indoor Monitor
- Suport de muntatge i cargols
- Cables de cablejat
- RFID Key Fobs (Quantity may vary)
- Manual d'usuari (Aquest document)

Figura 2.1: Main components of the MZZYG Tuya Video Doorbell System, including the outdoor doorbell unit, the indoor 7-inch monitor, and several RFID key fobs for access control.
3. Especificacions
3.1 Indoor Monitor
- Pantalla: Pantalla tàctil TFT-LCD de 7 polzades
- Resolució: 1024 x 680
- Tons de trucada: 7-chord melodic rings
- Mode de connexió: 4-wire, Tuya Wi-Fi solution
- Material del panell: Acrílic/ABS
3.2 Outdoor Doorbell Unit
- Càmera: 1080P
- Lent: 3.2mm wide-angle, 160-degree view
- Visió nocturna: Admet
- Classificació impermeable: IP65
- CasinMaterial: Aliatge d'alumini
- Característiques: Remote unlock, monitoring, two-way communication, video recording, motion detection
4. Instal·lació i configuració
Proper installation is crucial for optimal performance. It is recommended to consult a qualified electrician for wiring if you are unfamiliar with electrical installations.
4.1 Mounting the Outdoor Unit
- Choose a suitable location near your entrance, ensuring the camera has a clear, unobstructed view of visitors. The recommended height is approximately 1.5 meters (5 feet) from the ground.
- Feu servir el suport de muntatge com a plantilla per marcar els punts de perforació a la paret.
- Perforar forats i inserir taps de paret.
- Fixeu el suport de muntatge a la paret amb els cargols proporcionats.
- Connect the wiring from your home to the outdoor unit. Ensure correct polarity for power and signal wires.
- Attach the outdoor unit to the mounting bracket.
4.2 Mounting the Indoor Monitor
- Select a convenient indoor location, such as a hallway or living room, where the monitor is easily accessible.
- Mount the indoor monitor's bracket to the wall using screws.
- Connect the 4-wire cable from the outdoor unit to the indoor monitor.
- Connect the power adapter to the indoor monitor and plug it into a power outlet.
- Attach the indoor monitor to its wall bracket.

Figura 4.1: Il·lustratiu examples of the outdoor doorbell unit mounted next to a door and the indoor monitor installed on a wall inside a home.
4.3 Initial Power-On and Wi-Fi Configuration
- Once both units are mounted and wired, power on the indoor monitor.
- Follow the on-screen prompts to configure the date, time, and language settings.
- Navigate to the Wi-Fi settings menu on the indoor monitor.
- Select your home Wi-Fi network and enter the password. The monitor will connect to the internet, enabling Tuya app integration.
5. Funcionament
5.1 Respondre a una trucada
- When a visitor presses the doorbell button, the indoor monitor will ring and display the visitor's image.
- To answer, tap the "Answer" icon on the touchscreen. This initiates two-way audio communication.
- To end the call, tap the "End Call" icon.
5.2 Desbloqueig remot
If connected to an electronic lock (sold separately), you can unlock the door remotely:
- During a call or while monitoring, tap the "Unlock" icon on the indoor monitor or in the Tuya app.
- Confirm the unlock action if prompted.
5.3 Seguiment
Tu pots view the outdoor camera feed at any time:
- On the indoor monitor, tap the "Monitor" icon to view the live feed from the outdoor unit.
- In the Tuya app, select your doorbell device to access the live view.

Figura 5.1: A visitor at the door pressing the doorbell, with a smartphone displaying the live video feed and communication options through the mobile application.
6. Tuya Smart App Integration
The system integrates with the Tuya Smart app for remote access and control.
6.1 Downloading and Registering the App
- Download the "Tuya Smart" app from your smartphone's app store (Google Play Store for Android, Apple App Store for iOS).
- Obre l'aplicació i registra't per obtenir un compte nou o inicia la sessió si ja en tens un.
6.2 Adding the Doorbell Device
- In the Tuya Smart app, tap the "+" icon to add a new device.
- Select "Video Surveillance" or "Doorbell" from the device categories.
- Follow the in-app instructions to pair your doorbell system. This typically involves scanning a QR code displayed on the indoor monitor or entering Wi-Fi credentials.
6.3 Característiques de l'aplicació
- Monitorització remota: View live video from the outdoor unit.
- Àudio bidireccional: Communicate with visitors from anywhere.
- Desbloqueig remot: Open the door remotely (requires compatible electronic lock).
- Video Recording & Snapshots: Capture video and images of visitors or events.
- Alertes de detecció de moviment: Receive notifications when motion is detected.

Figura 6.1: A smartphone screen showing a list of motion detection events recorded by the doorbell camera, with timestamps i preview imatges.
7. Detecció de moviment i visió nocturna
The system is equipped with motion detection and night vision capabilities for enhanced security.
7.1 Detecció de moviment
- The outdoor unit can detect motion in its field of view.
- Upon detection, the system can automatically record video or take snapshots.
- You will receive push notifications on your smartphone via the Tuya Smart app when motion is detected.
- Sensitivity settings for motion detection can be adjusted in the indoor monitor's menu or the Tuya app.
7.2 Visió nocturna
- The outdoor unit features infrared night vision, allowing clear visibility even in low-light or complete darkness.
- La visió nocturna s'activa automàticament quan els nivells de llum ambiental són baixos.

Figura 7.1: An illustration of the doorbell's night vision capability, showing a person in low light conditions as seen on the indoor monitor and a mobile phone screen.
8. Manteniment
- Neteja: Regularly wipe the camera lens and monitor screen with a soft, damp tela. Eviteu els netejadors abrasius.
- Actualitzacions de firmware: Check for firmware updates periodically through the indoor monitor's settings or the Tuya Smart app to ensure optimal performance and security.
- Inspecció del cablejat: Periodically inspect all wiring connections for any signs of wear or damage.
9. Solució De Problemes
| Problema | Causa possible | Solució |
|---|---|---|
| No hi ha imatge al monitor interior. | Power issue, loose wiring, faulty unit. | Check power connection to monitor. Verify all 4-wire connections between outdoor and indoor units. Restart the system. |
| No audio during call. | Microphone/speaker issue, volume too low. | Check volume settings on the monitor. Ensure wiring is secure. |
| Wi-Fi connection unstable or disconnected. | Weak Wi-Fi signal, incorrect password, router issue. | Ensure monitor is within Wi-Fi range. Re-enter Wi-Fi password. Restart your router. |
| La detecció de moviment no funciona. | Motion detection disabled, sensitivity too low, incorrect settings. | Enable motion detection in settings. Adjust sensitivity. Check recording schedule. |
10. Informació de seguretat
- No intenteu desmuntar ni reparar el dispositiu vosaltres mateixos. Encarregueu tot el manteniment a personal qualificat.
- Manteniu el dispositiu allunyat de l'aigua, la humitat i les temperatures extremes.
- Ensure all wiring is correctly installed and insulated to prevent electrical hazards.
- Utilitzeu només l'adaptador d'alimentació subministrat.
11. Garantia i Suport
Warranty information for this product is not explicitly detailed in the provided specifications. Please refer to your purchase documentation or contact your retailer for specific warranty terms and conditions.
For technical support or inquiries, please contact MZZYG customer service through the contact information provided with your purchase or on the official MZZYG weblloc.