STONVUE S4-WF821A
STONVUE 4MP Tuya Smart Outdoor Camera User Manual
Model: S4-WF821A
Your comprehensive guide to setting up, operating, and maintaining your STONVUE security camera.
1. Product Overview
The STONVUE 4MP Tuya Smart Outdoor Camera is a high-definition wireless security solution designed for comprehensive outdoor surveillance. It offers advanced features such as Pan-Tilt-Zoom (PTZ) functionality, AI-powered motion detection, versatile night vision modes, and two-way audio communication, all controllable via the Tuya App.

Image: The STONVUE 4MP Tuya Smart Outdoor Camera, showcasing its dome design, dual antennas, and included power extension cable. An inset image displays a smartphone screen with a live view of a backyard, indicating the camera's wide coverage.
Key Features:
- 4MP HD Resolution: Provides clear and detailed images for superior surveillance.
- PTZ Capabilities: Offers 355° horizontal pan and 90° vertical tilt for extensive area coverage.
- Dual-Band WiFi: Supports both 2.4GHz and 5GHz WiFi networks for flexible connectivity.
- Enhanced Night Vision: Features 10 Array LEDs with Full-Color, Infrared, and Smart night vision modes, effective up to 66ft/20m.
- AI Motion Detection & Auto Tracking: Accurately detects and tracks human movement, minimizing false alarms.
- Real-Time Alerts: Instant notifications via the Tuya App, with programmable floodlight and siren for deterrence.
- Two-Way Audio: Built-in microphone and speaker for live communication.
- IP66 Waterproof: Durable design for reliable outdoor performance in various weather conditions.
- Flexible Storage: Supports cloud storage (subscription required) and local storage via Micro SD card (up to 128GB, not included).
2. What's in the Box
Please verify that all components are present and in good condition upon unboxing.
- 1 x STONVUE Outdoor Security Camera with Dual Antenna
- 1 x Camera Bracket
- 1 x User Manual
- 1 x Power Adapter
- 1 x Accessories (screws, wall plugs)
- 1 x Power Extension Cable (16FT/5M)
3. Setup Guide
3.1 Physical Installation
The camera is designed for wall mounting. Choose a location that provides optimal viewing coverage and is within reach of a power outlet. Ensure the mounting surface is sturdy enough to support the camera.
- Mark the drilling points using the camera bracket as a template.
- Drill holes and insert wall plugs if necessary.
- Secure the camera bracket to the wall using the provided screws.
- Attach the camera to the bracket, ensuring it is firmly in place.

Image: The STONVUE camera mounted on an exterior wall, illustrating its wide pan (355°) and tilt (90°) rotation capabilities for comprehensive area coverage.
3.2 Power Connection
Connect the power adapter to the camera's power input port. Use the included 16FT/5M power extension cable if the power outlet is far from the camera's mounting location. The camera requires continuous power for operation.
3.3 App Installation and WiFi Connection
The STONVUE camera operates with the Tuya App. Download the app and follow the in-app instructions for setup.
- Download the "Tuya Smart" app from your smartphone's app store (App Store for iOS, Google Play Store for Android).
- Register for a new account or log in if you already have one.
- Add the device:
- WiFi Connection: Power on the camera. Open the Tuya App, tap "+" to add a device, select "Security & Video Surveillance" > "Smart Camera (Wi-Fi)". Follow the prompts to connect the camera to your 2.4GHz or 5GHz WiFi network. You may need to scan a QR code displayed on your phone with the camera.
- Wired Connection (Optional): If your camera model supports it and you prefer a wired connection, connect an Ethernet cable from your router to the camera's Ethernet port. Then, follow the app's instructions for wired device setup.
- Once connected, you can rename the camera and customize its settings.

Image: A diagram illustrating the two primary connection methods for the camera: wireless WiFi connection via the Tuya App and a wired Ethernet connection using an extension cable.
4. Operating Instructions
4.1 Live View and PTZ Control
Open the Tuya App and select your camera to access the live view. Use the on-screen controls to pan (horizontal) and tilt (vertical) the camera to adjust its viewing angle. The camera offers a 355° horizontal pan and 90° vertical tilt.

Image: A side-by-side comparison demonstrating the superior clarity and detail of 4MP HD resolution compared to 2MP, highlighting the camera's high-definition imaging capability.
4.2 Night Vision Modes
The camera's advanced AI technology can accurately detect and track human movement, reducing false alarms from pets or environmental factors. You can customize motion detection zones within the app to focus on specific areas of interest.
- Full-Color Mode: Utilizes the built-in floodlight to provide full-color video even in darkness.
- Infrared Mode: Uses infrared LEDs for black and white video in complete darkness, offering discreet surveillance.
- Smart Mode: Automatically switches between infrared and full-color mode when motion is detected, illuminating the scene for better detail.

Image: An illustration of the camera's versatile night vision modes: Full-Color, Infrared, and Smart. Each mode is depicted with an example scenario, showing how the camera adapts to different lighting conditions for clear nighttime surveillance.
4.3 AI Motion Detection & Auto Tracking
The camera's advanced AI technology can accurately detect and track human movement, reducing false alarms from pets or environmental factors. You can customize motion detection zones within the app to focus on specific areas of interest.
- Enable motion detection in the app settings.
- Set up specific detection zones to avoid unwanted alerts.
- When human motion is detected, the camera will automatically track the subject.

Image: A visual representation of the camera's AI motion detection and auto-tracking feature. A person walking in a garden is highlighted with red boxes, demonstrating how the camera identifies and follows human movement.

Image: A diagram illustrating the camera's accurate humanoid detection, which helps minimize false alarms by distinguishing human figures from other moving objects like pets or leaves.
4.4 Real-Time Alerts and Deterrence
Upon detecting activity, the camera can send instant notifications to your phone. You can also configure the built-in floodlight and siren to activate, deterring potential intruders.
- Configure notification settings in the Tuya App.
- Enable or disable the floodlight and siren activation upon motion detection.

Image: A smartphone screen showing a real-time notification from the security camera app, indicating "Human body detected." The image also depicts the camera's floodlight activating to deter an individual near a doorway.
4.5 Two-Way Audio
The integrated microphone and speaker allow for two-way communication through the Tuya App. This feature is useful for speaking to visitors, delivery personnel, or deterring unwanted guests.

Image: A scene depicting the camera's two-way audio functionality, where a child on a bicycle is communicating with someone through the camera, with speech bubbles indicating a conversation.
4.6 Recording and Storage
The camera supports two storage options for recorded footage:
- Cloud Storage: Available with a subscription through the Tuya App. Provides secure, off-site storage for your video recordings.
- Local Storage: Supports a Micro SD card up to 128GB (card not included). Insert the SD card into the designated slot on the camera. Ensure the card is formatted correctly via the app.
Both storage methods feature robust data encryption to protect user privacy.
5. Maintenance
- Cleaning: Regularly wipe the camera lens and body with a soft, damp cloth to remove dust and dirt. Do not use harsh chemicals or abrasive materials.
- Firmware Updates: Check the Tuya App periodically for firmware updates. Keeping your camera's firmware up-to-date ensures optimal performance and security.
- SD Card Management: If using local storage, periodically review and back up important footage. Consider formatting the SD card every few months to maintain performance.
- Power Supply: Ensure the power connection remains secure and free from damage.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Camera fails to connect to WiFi or frequently disconnects. | Weak WiFi signal; incorrect WiFi password; router issues; camera too far from router. |
|
| False alarms from motion detection. | Sensitive detection settings; environmental factors (e.g., moving branches, pets). |
|
| Night vision is unclear or not activating. | Lens obstruction; insufficient ambient light for full-color mode; incorrect night vision mode selected. |
|
| Two-way audio not working. | Microphone/speaker disabled in app; app permissions; network issues. |
|
| SD card not recording or recognized. | Incorrect format; faulty card; card not inserted properly; maximum capacity exceeded. |
|
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | S4-WF821A |
| Indoor/Outdoor Usage | Outdoor |
| Video Capture Resolution | 4 MP |
| Connectivity Protocol | Wi-Fi (2.4GHz & 5GHz) |
| Controller Type | APP (Tuya Smart) |
| PTZ Viewing Angle | 355° Pan, 90° Tilt |
| Night Vision Range | 20 Meters (66 ft) |
| Night Vision Technology | Full Color, Infrared Vision, Smart Modes (10 Array LEDs) |
| Water Resistance Level | IP66 Waterproof |
| Two-Way Audio | Yes |
| Motion Detection | AI Human Detection, Auto Tracking |
| Storage Options | Cloud Storage, Micro SD (up to 128GB) |
| Power Source | Corded Electric (12 Volts, 6 Watts) |
| Material | Acrylonitrile Butadiene Styrene (ABS) |
| Product Dimensions | 7.6 x 7.6 x 4.3 inches |
| Item Weight | 1.85 pounds |
8. Warranty and Support
STONVUE is committed to providing high-quality products and customer satisfaction. For any questions, technical assistance, or warranty claims, please contact STONVUE customer support through the following channels:
- Online Support: Visit the official STONVUE website for FAQs, troubleshooting guides, and contact forms.
- Email Support: Refer to the contact information provided in your product packaging or on the STONVUE website.
- In-App Support: Some support features may be available directly within the Tuya Smart App.
Please retain your proof of purchase for warranty purposes. Warranty terms and conditions may vary by region and are subject to change. Refer to the official STONVUE warranty policy for detailed information.
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