1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your DIFANG Yoosee BL26D WiFi Security Camera. This advanced security camera features multiple lenses, dual-screen monitoring, 10X optical zoom, AI humanoid tracking, two-way audio, and robust weatherproofing for both indoor and outdoor use.
2. Product Overview
2.1 Key Features
- Multiple Lenses: Tri-Lens design for comprehensive coverage.
- Dual Screen Monitoring: View two different camera feeds simultaneously within the app.
- 10X Optical Zoom: Magnify distant objects without loss of clarity.
- High Definition: Available in 4MP, 6MP, and 8MP resolutions.
- Pan & Tilt Functionality: 355° horizontal (pan) and 90° vertical (tilt) rotation for wide area surveillance.
- AI Humanoid Tracking: Automatically detects and tracks human movement.
- Smart Dual Light Modes: Infrared night vision, full-color night vision, and double-light alert mode.
- Two-Way Audio: Built-in microphone and speaker for real-time communication.
- Weatherproof Design: IP66 rated for protection against rain, snow, wind, and dust.
- Multiple Connection Methods: Supports Wireless WiFi, RJ-45 Wired Cable, and AP Hotspot Mode.
- Storage Options: Supports TF card storage up to 128GB.
2.2 Package Contents
Please check the package for the following items:
- DIFANG Yoosee BL26D Security Camera
- Power Adapter (12V)
- Mounting Screws and Anchors
- User Manual (this document)
- (Optional, depending on SKU) TF Memory Card (32GB, 64GB, or 128GB)
Note: If any items are missing or damaged, please contact customer support.
2.3 Product Diagram


3. Setup and Installation
3.1 Choosing an Installation Location
The camera is designed for both indoor and outdoor use with an IP66 rating, offering protection against lightning, snow, dust, and rain. Choose a location that provides optimal viewing coverage and is within range of your WiFi network (2.4GHz only).
Installation options include: Normal, Wall Mounted, Stick, Pendant Mount, Vertical Pole Mount.

3.2 Powering the Camera
Connect the camera to a 12V power supply using the provided power adapter.
3.3 Network Connection Methods
The camera supports three connection methods:
- Wireless WiFi Connection: Connect the camera to your 2.4GHz WiFi network.
- RJ-45 Wired Cable Connection: For a more stable connection, connect the camera directly to your router using an Ethernet cable.
- AP Hotspot Mode Connection: For direct connection to your mobile device within 10 meters, without needing a router.

3.4 App Installation and Setup
The camera works with the Yoosee application. Download the Yoosee app from your mobile device's app store (available for Android and iOS).
- Download and install the "Yoosee" app.
- Register an account and log in.
- Follow the in-app instructions to add your camera. This typically involves scanning a QR code on the camera or using a sound wave pairing method.
4. Operating Instructions
4.1 Live View and Dual Screen Monitoring
Once connected, open the Yoosee app to view the live feed. The app features two video screens: an upper screen for a fixed position view and a lower screen for the PTZ (Pan-Tilt-Zoom) camera, allowing for comprehensive monitoring.
4.2 Pan, Tilt, and Zoom (PTZ) Control
Use the controls within the Yoosee app to remotely adjust the camera's viewing angle. The camera supports 355° horizontal pan and 90° vertical tilt. The 10X optical zoom allows you to magnify specific areas for more detailed observation.


4.3 Night Vision Modes
The camera offers versatile night vision options:
- Infrared Night Vision: Provides clear black and white video in low-light conditions.
- Full-Color Night Vision: Utilizes built-in white lights to provide color video even in darkness.
- Double-Light Alert Mode: In this mode, infrared night vision is active. If motion is detected, the white lights will automatically turn on, switching to full-color mode and acting as a deterrent.

4.4 Two-Way Audio
Use the two-way audio feature to communicate with people near the camera. This is useful for greeting visitors or warning intruders.

4.5 AI Humanoid Tracking and Alarms
The camera's AI functions include motion detection and humanoid tracking. When a human figure is detected, the camera can automatically track their movement and trigger alarms (FTP Photo, telefon Alarm, Local Alarm). You will receive notifications on your mobile device.

5. Maintenance
- Cleaning: Regularly clean the camera lens with a soft, dry cloth to ensure clear image quality. Do not use harsh chemicals.
- Firmware Updates: Check the Yoosee app periodically for firmware updates to ensure optimal performance and security.
- Network Stability: Ensure your WiFi network is stable and strong, especially for wireless connections, to prevent interruptions in monitoring.
- Storage Management: If using a TF card, regularly review and manage recorded footage to prevent the card from filling up.
6. Troubleshooting
- Camera not connecting to WiFi:
- Ensure your WiFi network is 2.4GHz. Check the WiFi password. Move the camera closer to the router. Try wired Ethernet connection if possible.
- Poor image quality:
- Clean the camera lens. Check your internet connection speed. Ensure there is adequate lighting for the chosen night vision mode.
- Motion detection not working:
- Verify motion detection settings in the Yoosee app. Ensure the camera's field of view is clear of obstructions.
- Two-way audio issues:
- Check microphone and speaker settings in the app. Ensure volume levels are appropriate. Reduce background noise.
- Camera offline:
- Check power supply and network connection. Restart the camera and router. Re-add the camera to the app if necessary.
7. Specifications
| Feature | Specification |
|---|---|
| Brand Name | DiFang |
| Model Number | BL26D |
| Style | Dome Camera |
| Megapixels | 4MP (also available in 6MP and 8MP options) |
| Lens Quantity | Tri-Lens |
| Lens (mm) | 2mm |
| Zoom Type | 10X Optical Zoom |
| Sensor | CMOS |
| Connectivity | WIFI (2.4GHz) |
| Power Supply | Normal (12V) |
| Power Consumption | 25W |
| Movement Range (Pan) | 355° |
| Movement Range (Tilt) | 90° |
| Viewing Angle | 360° (Panoramic) |
| Video Compression Format | H.264 |
| IR Distance | 10m |
| Color Night Vision | Yes |
| Audio Output | Two Way Audio |
| AI Functions | Motion Detection, AI Auto Tracking |
| Alarm Action | FTP Photo, Telefon Alarm, Local Alarm |
| Internal Storage | Supports TF Card up to 128G (card not always included) |
| Operating Temperature | -10°C to 60°C |
| IP Rating | IP66 (Waterproof / Weatherproof) |
| Installation | Normal, Wall Mounted, Stick, Pendant Mount, Vertical Pole Mount |
| Supported Mobile Systems | Android, iOS |
| Supported Operating Systems | Windows 98, XP, Vista, 7, 8, 10, 2000, 2003, 2008, macOS |
| Certification | CE |
| High-concerned chemical | None |
8. User Tips
- App Compatibility: The camera is designed to work with the Yoosee application. Ensure you download the official app for the best experience.
- Zoom Clarity: The camera features 10X optical zoom, which provides clearer magnification compared to digital zoom. Utilize this feature to monitor distant details effectively.
- Night Vision Customization: Experiment with the different night vision modes (infrared, full-color, double-light alert) to find the best setting for your specific environment and security needs.
- Two-Way Audio for Deterrence: Use the two-way audio feature not just for communication, but also as an effective deterrent against potential intruders by speaking directly through the camera.
9. Warranty and Support
DIFANG products typically come with a one-year quality warranty and lifetime technical support. For any issues or technical assistance, please contact DIFANG customer service.
Note: Specific warranty terms may vary. Please refer to your purchase documentation for exact details.