1. Introduzione
This manual provides detailed instructions for the setup, operation, and maintenance of your Nextech 1080P Smart Wi-Fi IP Pan-Tilt Camera (Model: QC3900). This camera is designed for home or small office surveillance, offering high-definition video recording, two-way audio communication, and remote access via the Smart Life app.
Please read this manual thoroughly before using the product to ensure proper installation and functionality.
2. Cuntenutu di u pacchettu
- 1 x Nextech 1080P Smart Wi-Fi IP Pan-Tilt Camera
- 1 x Adattatore d'alimentazione
- 1 x Cavu USB
- 1 x Mounting Hardware (screws, wall plugs)
- 1 x Manuale d'usu (stu documentu)
3. Produttu Finituview

Figura 3.1: Fronte view of the camera. This image displays the camera's main body, the spherical lens housing, and the base. The lens is centrally located within the movable sphere, indicating its pan-tilt capabilities.

Figura 3.2: Primu pianu frontale view of the camera. This image provides a closer look at the camera's lens, which is black and circular, set within a white, spherical housing. A small indicator light is visible near the lens, typically used to show power or connection status.
The Nextech Smart Wi-Fi IP Camera features a compact design with a pan-tilt mechanism allowing for wide area coverage. It includes a high-definition lens, infrared LEDs for night vision, a built-in microphone and speaker for two-way audio, and a slot for a microSD card (not included) for local storage.
4. Setup
4.1 Accensione
- Connect the provided USB cable to the camera's power input port.
- Cunnette l'altra estremità di u cavu USB à l'adattatore di alimentazione furnitu.
- Plug the power adapter into a standard electrical outlet. The camera will power on and an indicator light will illuminate.
4.2 Scaricamentu di l'app è registrazione di u contu
The camera operates with the Smart Life app. Ensure your smartphone is connected to a 2.4GHz Wi-Fi network.
- Download the "Smart Life" app from the Apple App Store (for iOS devices) or Google Play Store (for Android devices).
- Open the app and register for a new account if you don't have one, or log in with your existing account.
4.3 Aghjunghje a Camera à l'Applicazione
- In the Smart Life app, tap the "+" icon in the top right corner to add a device.
- Selezziunate "Sicurezza è Videosorveglianza" è dopu "Camera Intelligente".
- Follow the on-screen instructions to put the camera into pairing mode (usually indicated by a flashing light).
- Inserite a vostra password di rete Wi-Fi quandu vi hè dumandatu.
- The app will generate a QR code. Hold your phone with the QR code in front of the camera lens (approx. 15-20 cm away) until you hear a prompt from the camera.
- Once the camera connects, it will appear in your device list in the app. You can then rename the camera for easy identification.
4.4 Installazione di a carta MicroSD (opzionale)
For local video storage, insert a microSD card (up to 128GB, Class 10 or higher, sold separately) into the designated slot on the camera. Ensure the camera is powered off before inserting or removing the card.
5. Operating Instructions
5.1 Live View
Open the Smart Life app and tap on the camera's name in your device list to access the live video feed. You can view u foo in tempu realetage da ogni locu cù una cunnessione Internet.
5.2 Cuntrollu di Pan è Tilt
In diretta view screen, use the directional controls (usually a joystick or arrow icons) within the app to remotely pan (rotate horizontally up to 355°) and tilt (rotate vertically up to 110°) the camera lens to adjust the viewing angulu.
5.3 Comunicazione audio bidirezionale
The camera features a built-in microphone and speaker. Tap the microphone icon in the app to speak through the camera's speaker, and listen to audio from the camera's environment through your phone.
5.4 Rilevazione di muvimentu è notificazioni
Enable motion detection in the camera settings within the Smart Life app. When motion is detected, the camera can send instant notifications to your smartphone. You can adjust sensitivity levels and set detection zones.
5.5 Registrazione è riproduzione video
- Registrazione di carta MicroSD: If a microSD card is installed, the camera will automatically record footage based on your settings (e.g., continuous recording, event-triggered recording). You can access recorded footage via the app's playback function.
- Storage Cloud: The Smart Life app may offer optional cloud storage services for recorded video. Refer to the app for details on subscription plans.
6. Mantenimentu
- Pulizia: Asciugate delicatamente l'obiettivo è u corpu di a camera cù un pannu dolce è asciuttu. Ùn aduprate micca detergenti liquidi o materiali abrasivi.
- Actualizazioni di firmware: Periodically check the Smart Life app for available firmware updates for your camera. Keeping the firmware updated ensures optimal performance and security.
- Placement: Assicuratevi chì a camera sia piazzata in un locu stabile, luntanu da a luce diretta di u sole, da temperature estreme è da l'umidità.
7. Risoluzione di prublemi
| Prublemu | Causa Possibile | Soluzione |
|---|---|---|
| Camera fora di linea in l'app | No power; Wi-Fi disconnected; Router issues. | Check power connection; Verify Wi-Fi signal strength; Restart router and camera. |
| Ùn pò micca cunnette à Wi-Fi | Password Wi-Fi sbagliata; Rete Wi-Fi 5GHz; Camera troppu luntana da u router. | Ensure correct 2.4GHz Wi-Fi password; Move camera closer to router; Reset camera and try pairing again. |
| Nisuna notificazione di rilevazione di muvimentu | Motion detection disabled; App notifications off; Low sensitivity. | Enable motion detection in app; Check phone notification settings; Increase sensitivity. |
| A carta MicroSD ùn registra micca | Card full; Card not formatted; Faulty card. | Format card via app; Replace card if faulty; Ensure recording settings are correct. |
8. Specificazioni
| Feature | Detail |
|---|---|
| Mudellu | QC3900 |
| Risoluzione Video | 1080p (1920 x 1080) |
| Connettività | Wi-Fi (2.4 GHz) |
| Pan Angle Range | 0° - 355° |
| Range Angle d'inclinaison | 0° - 110° |
| Gamma di Visione Notturna | Up to 10 meters (IR LEDs) |
| Audio | Audio bidirezionale (microfonu integratu è parlante) |
| Storage | Carta MicroSD (finu à 128 GB, micca inclusa), Archiviazione in nuvola (opzionale) |
| Input di putenza | 5V DC (via USB) |
| Cunsumu d'energia | 5 watts |
| Materiale | Metallu |
| App Compatibile | Smart Life (Android/iOS) |
| Rilevazione di muvimentu | Yes, with smartphone notifications |
9. Garanzia è Support
For warranty information and technical support, please refer to the documentation provided at the point of purchase or contact your retailer. You can also visit the Nextech official website for further assistance and FAQs.





