1. Introduction
The AUTOOL SVB308 Articulating Borescope is a professional tool designed for detecting narrow and bending spaces in automotive and industrial applications. It is ideal for inspecting areas such as auto evaporators, combustion chambers, and three-way catalytic converters. This device features a 4-way 360° steering detection function and a unique high-temperature alarm, providing vivid, clear, and omnidirectional video and pictures on its integrated display to meet various inspection needs.
2. Package Contents
Please check the package contents upon opening to ensure all items are present:
- 1x AUTOOL SVB308 USB Borescope
- 1x User Manual
- 1x USB Cable (Type-C)
- 1x Carrying Box


3. Product Overview
Familiarize yourself with the main components and controls of the AUTOOL SVB308 endoscope:

- Main Unit (Screen): 4.3-inch HD display for viewing images and videos.
- Downward/Screen Rotation Button: Controls screen orientation or navigation.
- Upward/TV Button: Controls screen orientation or TV output.
- Settings/Playback Button: Accesses settings menu and playback mode for recorded media.
- Joystick: Provides 4-way 360° articulation control for the camera lens.
- Power Indicator Light: Indicates power status.
- LED Light Adjustment Button: Adjusts the brightness of the camera's LED lights.
- Grip Area: Ergonomically designed for comfortable handling.
- Type-C Charging Port: For charging the internal battery.
- Power On/Off Button: Turns the device on or off.
- OK/Capture/Record Button: Confirms selections, captures photos, or starts/stops video recording.
- Million High-definition Lens: The camera probe tip with 1080P HD resolution.
- Flexible Hose: The 1-meter elastic metal hose containing the camera.
- TF Storage Card Slot: For the standard 32GB TF card.
4. Specifications
| Feature | Specification |
|---|---|
| Model Number | AUTOOL SVB308 |
| Articulating Direction | 4-way 360° |
| Camera Diameter | 6.22mm |
| Field of View (FOV) | 90° |
| Camera Light Source | 6 High-brightness LED lights |
| Sensor | 1/9" CMOS |
| Pixel | 1 million (1080P HD) |
| Flexible Hose Length | 1M |
| Flexible Hose Material | Elastic metal hose |
| Depth of Field (DOF) | 20-100mm |
| Manual Dimming | Supported |
| Battery | 3.7V/2600mAh lithium battery |
| Power Input | DC 5V |
| Usage Duration | Approximately 120 minutes |
| Operating Environment | -10°C~50°C |
| Protection Level | IP67 (for camera probe), Not waterproof for the main unit |
| High Temperature Protection | Intelligent protection (auto powers off at 90°C) |
| Screen Size | 4.3 inches |
| Language | English, French, German, Italian, Spanish, Russian, Chinese, Japanese, Korean |
| Storage | Standard 32GB TF card (built-in) |

5. Setup
- Charge the Device: Before first use, fully charge the endoscope using the provided Type-C USB cable and a compatible 5V power adapter. The power indicator light will show charging status.
- Insert TF Card: The device comes with a standard 32GB TF card built-in. Ensure it is properly seated in the TF Storage Card slot (N) for recording photos and videos.
- Attach the Screen: The screen features a detachable design for convenient storage. Align the screen unit with the main handle and securely attach it.


6. Operating Instructions
- Power On/Off: Press and hold the Power On/Off button (J) to turn the device on or off. The AUTOOL logo will appear on the screen.
- Articulating Lens Control: Use the Joystick (E) to control the 4-way 360° articulation of the camera lens (L). This allows for precise navigation and viewing angles in confined spaces.
- LED Light Adjustment: Press the LED Light Adjustment button (G) to cycle through three levels of brightness for the 6 high-intensity LED lights on the camera probe. This ensures optimal illumination in various inspection environments.
- Photo and Video Capture: Press the OK/Capture/Record button (K or P) to capture a still photo. To record video, press and hold the button to start recording, and press again to stop. All media will be saved to the built-in 32GB TF card.
- Playback: Press the Settings/Playback button (D) to enter playback mode. You can then browse and review captured photos and videos.
- High-Temperature Protection: The device features intelligent high-temperature protection. If the camera probe detects a temperature exceeding 90°C, it will automatically power off to prevent damage. Allow the device to cool down before resuming use.
- Waterproof Feature: The camera probe (L) is IP67 waterproof and oil-resistant, allowing it to operate effectively in wet pipes and other liquid environments. Note that the main unit (screen and handle) is not waterproof.
- Multilingual Support: The device supports multiple languages, including English, French, German, Italian, Spanish, Russian, Chinese, Japanese, and Korean. You can change the language setting in the menu.





7. Maintenance
- Cleaning the Probe: After each use, especially in dirty or oily environments, gently wipe the camera lens and flexible hose with a soft, damp cloth. For stubborn residue, a small amount of isopropyl alcohol can be used. Ensure the probe is dry before storage.
- Cleaning the Screen: Use a soft, lint-free cloth to clean the display screen. Avoid abrasive materials or harsh chemicals that could scratch or damage the screen.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Charge the device regularly, even if not in use for extended periods. Store the device with a partial charge (around 50%).
- Storage: When not in use, store the AUTOOL SVB308 in its original carrying box in a cool, dry place, away from direct sunlight and extreme temperatures. Detach the screen from the handle for compact storage.
8. Troubleshooting
- Device does not power on:
- Ensure the battery is sufficiently charged. Connect the device to a power source using the Type-C USB cable.
- Check if the power button is pressed and held for a few seconds.
- No image on screen or poor image quality:
- Verify the screen unit is securely attached to the handle.
- Adjust the LED light brightness using the LED Light Adjustment button (G).
- Clean the camera lens (L) for any obstructions or dirt.
- Check the Depth of Field (DOF) to ensure the object is within the optimal viewing range (20-100mm).
- Lens articulation is not working:
- Ensure there are no physical obstructions preventing the probe from bending.
- Check if the joystick (E) is functioning correctly and not stuck.
- Device shuts down unexpectedly:
- The high-temperature protection may have activated. Allow the camera probe to cool down before attempting to restart.
- Ensure the battery is not critically low.
- Cannot record photos/videos:
- Check if the built-in 32GB TF card has sufficient free space.
- Ensure the OK/Capture/Record button (K or P) is pressed correctly.
9. User Tips
- Practice First: Before inspecting critical areas, practice navigating the articulating probe in an open, accessible space to get a feel for the controls.
- Optimal Lighting: Always adjust the LED lights to achieve the best possible illumination for your inspection area.
- Gentle Handling: While the flexible hose is durable, avoid excessive force or sharp bends to prevent damage to the internal wiring and camera.
- Battery Management: For longer inspection sessions, consider having a portable power bank ready to recharge the device via its Type-C port.
- Review Recordings: Utilize the playback function to thoroughly review captured images and videos, which can often reveal details missed during live inspection.
10. Warranty and Support
The AUTOOL SVB308 comes with a Three Years of Product Warranty. For any technical support, warranty claims, or inquiries, please contact your original seller or AUTOOL customer service. Please retain your proof of purchase for warranty validation.
