1. Introduction
This manual provides detailed instructions for the safe and effective operation of your DEPSTECH DS520 Triple Lens Sewer Camera and WF028 Wireless Endoscope. Please read this manual thoroughly before use and retain it for future reference.
2. Safety Information
- Do not attempt to disassemble or modify the device.
- Keep the device away from extreme temperatures, corrosive liquids, and strong magnetic fields.
- Ensure the camera probe is clean before and after each use to maintain image clarity.
- The camera probe is IP67 waterproof; however, the main display unit is not. Avoid exposing the display unit to water.
- Use only the provided charging cable to prevent damage to the battery.
3. Package Contents
DS520 Triple Lens Sewer Camera
- DS520 Display Unit (5-inch IPS screen)
- Triple Lens Semi-Rigid Cable (50ft)
- USB-C Charging Cable
- User Manual
- Accessories (e.g., hook, magnet, side mirror)
WF028 Wireless Endoscope
- WF028 Wireless Module
- Dual Lens Semi-Rigid Snake Cable (16.5ft)
- USB-C Charging Cable
- User Manual
- Accessories (e.g., hook, magnet, side mirror)
4. Product Overview
4.1 DS520 Triple Lens Sewer Camera

Figure 1: DS520 Display Unit and Cable
The DS520 features a 5-inch IPS screen for real-time viewing. It includes intuitive controls for navigation, image/video capture, and light adjustment. The triple-lens camera head is attached to a 50ft semi-rigid cable for extended reach.

Figure 2: DS520 Triple Lens Configuration
The triple-lens design provides direct front (Cam A) and two side views (Cam B and C). Focal ranges are 1.2-3.9in for Cam A, 0.8-2.4in for Cam B, and 0.6-0.9in for Cam C.
4.2 WF028 Wireless Endoscope

Figure 3: WF028 Wireless Module and Cable
The WF028 is a wireless dual-lens endoscope that connects to your smartphone or tablet via Wi-Fi. It features a 16.5ft semi-rigid snake cable with a 7.9mm probe lens. The dual lenses offer a 70° view in front and to the side.

Figure 4: WF028 Dual Lens Viewing Modes
The WF028 supports multiple viewing modes, including single front camera, single side camera, and split-screen views. Focal ranges are 3-8cm for the front camera and 2-6cm for the side camera.
5. Setup
5.1 DS520 Setup
- Charge the Device: Connect the USB-C charging cable to the DS520 display unit and a power source. The battery indicator will show charging status.
- Attach the Cable: Securely connect the triple-lens semi-rigid cable to the designated port on the DS520 display unit.
- Power On: Press and hold the power button on the display unit until the screen illuminates.
5.2 WF028 Setup
- Charge the Device: Connect the USB-C charging cable to the WF028 wireless module and a power source.
- Attach the Cable: Securely connect the dual-lens snake cable to the WF028 wireless module.
- Power On: Press and hold the power button on the wireless module until the indicator light turns on.
- Connect to Wi-Fi: On your smartphone or tablet, go to Wi-Fi settings and connect to the WF028's Wi-Fi network (SSID usually starts with 'DEPSTECH').
- Launch App: Open the DEPSTECH app (downloaded from your device's app store) to view the live feed.
6. Operating Instructions
6.1 DS520 Operation
- Adjust LED Lights: Use the dedicated buttons on the display unit to increase or decrease the brightness of the 7 LED lights on the camera head.
- Change Viewing Modes: Press the 180° flip button to cycle through five viewing modes (front camera, side camera B, side camera C, split screen views).
- Image/Video Capture: Press the photo/video button once to take a still image. Press and hold to start/stop video recording.
- 180° Image Rotation: Use the rotation button to flip the image 180° for correct orientation.
- Navigate: Use the directional buttons to navigate menus and review captured media.
6.2 WF028 Operation
- Adjust LED Lights: Control the brightness of the LED lights via the DEPSTECH app interface.
- Change Viewing Modes: Switch between dual lenses and split-screen views directly within the DEPSTECH app.
- Image/Video Capture: Use the dedicated buttons within the DEPSTECH app to capture photos or record videos.
7. Maintenance
- Cleaning: After each use, gently wipe the camera lens and cable with a soft, dry cloth. For stubborn dirt, use a slightly damp cloth and then dry thoroughly.
- Storage: Store both units and their cables in a cool, dry place, preferably in their original carrying cases, away from direct sunlight.
- Battery Care: For optimal battery life, charge the devices regularly, even if not in frequent use. Avoid fully discharging the battery for extended periods.
8. Troubleshooting
- No Image on Screen (DS520): Ensure the camera cable is securely connected and the device is powered on. Check battery level.
- No Image on App (WF028): Verify Wi-Fi connection to the WF028 module. Ensure the module is powered on and the DEPSTECH app is open.
- Poor Image Quality: Clean the camera lens. Adjust LED brightness. Ensure the camera is within the optimal focal range.
- Device Not Charging: Check the USB-C cable and power adapter. Ensure connections are secure.
9. Specifications
9.1 DS520 Triple Lens Sewer Camera
| Feature | Specification |
|---|---|
| Display | 5-inch IPS Screen |
| Camera Lenses | Triple Lens (Front, Side B, Side C) |
| Cable Length | 50ft Semi-Rigid |
| Resolution | 1080P |
| LED Lights | 7 Adjustable LEDs |
| Waterproof Rating | IP67 (Probe only) |
| Viewing Modes | Five (including Split Screen) |
| Focal Range (Front) | 1.2-3.9 inches |
| Focal Range (Side B) | 0.8-2.4 inches |
| Focal Range (Side C) | 0.6-0.9 inches |
9.2 WF028 Wireless Endoscope
| Feature | Specification |
|---|---|
| Connectivity | Wireless (Wi-Fi) |
| Camera Lenses | Dual Lens |
| Cable Length | 16.5ft Semi-Rigid Snake Cable |
| Resolution | 1080P |
| Probe Diameter | 7.9mm |
| Waterproof Rating | IP67 (Probe only) |
| Focal Range (Front) | 3-8 cm (1.2-3.1 inches) |
| Focal Range (Side) | 2-6 cm (0.8-2.4 inches) |
10. Warranty and Support
DEPSTECH products come with a standard manufacturer's warranty. For detailed warranty information, technical support, or service inquiries, please refer to the warranty card included in your package or visit the official DEPSTECH website.





