1. Introduction
This manual provides comprehensive instructions for the safe and effective use of your TOOLTOP NTC125 Autofocus Inspection Camera. Please read this manual thoroughly before operating the device and retain it for future reference. This inspection camera is designed for visual inspection in hard-to-reach areas, featuring autofocus capabilities and high-resolution imaging.
2. Product Overview
The TOOLTOP NTC125 is a 5.0-megapixel micro inspection camera equipped with an autofocus lens, allowing for clear imaging from 1 inch to infinity. Its semi-rigid waterproof cable provides flexibility and durability for various inspection tasks.
2.1 Package Contents

Figure 2.1: Complete package contents of the TOOLTOP NTC125 inspection camera. Includes the camera probe, USB cable, various accessory hooks, and a protective carrying case.
Verify that all items listed below are present in your package:
- TOOLTOP NTC125 Autofocus Inspection Camera Probe (with integrated USB/Micro USB cable)
- USB-C Adapter (if applicable, for modern Android devices)
- Accessory Hooks (e.g., hook, magnet, side-view mirror)
- Protective Carrying Case
- User Manual (this document)
2.2 Key Features
- Autofocus Lens: Automatically adjusts focus for clear images from 1 inch (30mm) to infinity, similar to a smartphone camera.
- High Resolution: 5.0 Megapixel camera sensor, providing resolutions up to 2594x1944 pixels.
- Flexible & Waterproof Cable: 16-ft (5-meter) semi-rigid cable, IP67 waterproof, ideal for navigating tight and wet environments.
- Adjustable LED Lights: Six high-intensity LEDs with 3 adjustable brightness levels for optimal illumination in dark areas.
- Wide Compatibility: Connects via USB to Android phones with OTG function, MacBook, and Windows PC.

Figure 2.2: Detailed view of the camera head, highlighting the six adjustable LED lights surrounding the lens.

Figure 2.3: Exploded diagram illustrating the internal components of the camera lens, including the sensor and optical elements.
3. Setup and Installation
Follow these steps to set up your TOOLTOP NTC125 inspection camera:
- Download Software:
- For Android: Search for "USB Camera", "OTG View", or "AN98" in the Google Play Store and install a compatible application. Ensure your Android device supports OTG (On-The-Go) function.
- For Windows PC: Download the "ViewPlayCap" software or similar camera viewing software from the manufacturer's website or a trusted source.
- For MacBook: Use the built-in "Photo Booth" application or download a third-party camera application.
- Connect the Camera:

Figure 3.1: The endoscope's USB connector plugged into a smartphone, ready for use.
- Plug the USB connector of the inspection camera into your device's USB port. If using an Android phone, you may need to use the included Micro USB or USB-C adapter.
- Launch Software: Open the downloaded camera application on your device. The camera feed should appear automatically. If not, select the external USB camera from the application's settings.
- Adjust LED Brightness: Use the brightness control wheel located on the USB cable to adjust the intensity of the LED lights on the camera head for optimal visibility.
4. Operating Instructions
Once set up, the TOOLTOP NTC125 is ready for inspection.
- Insert the Camera: Carefully guide the semi-rigid cable and camera head into the area you wish to inspect. The cable's flexibility allows it to navigate bends and tight spaces.
- View the Feed: Observe the live video feed on your connected device's screen. The autofocus feature will automatically adjust for clear images at varying distances.
- Adjust Lighting: Rotate the LED brightness control wheel on the cable to illuminate dark areas effectively.
- Capture Images/Videos: Most compatible applications will have options to capture still images or record video. Refer to your specific application's instructions for these functions.
- Use Accessories: Attach the included hook, magnet, or side-view mirror accessories to the camera head as needed for retrieving objects or viewing at different angles.

Figure 4.1: Practical application of the endoscope, demonstrating its use for inspecting hard-to-reach areas like under a vehicle.
5. Maintenance and Care
To ensure the longevity and optimal performance of your inspection camera, follow these maintenance guidelines:
- Cleaning: After each use, especially in dirty or wet environments, gently wipe the camera head and cable with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners.
- Drying: Ensure the camera head and cable are completely dry before storing.
- Storage: Store the camera and accessories in the provided protective carrying case in a cool, dry place, away from direct sunlight and extreme temperatures. Avoid kinking or sharply bending the cable.
- Avoid Force: Do not force the camera into tight spaces. If resistance is met, try to find an alternative path or remove obstructions.
6. Troubleshooting
If you encounter issues with your TOOLTOP NTC125, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No image on screen / Camera not detected. |
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| Image is blurry or dark. |
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| Software crashes or freezes. |
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7. Specifications
| Feature | Detail |
|---|---|
| Model Number | TT-TSNTC125 (NTC125) |
| Camera Type | Autofocus Single Lens, Straight-viewing |
| Camera Diameter | 0.49-inch (12.5mm) |
| Cable Length | 16-ft (5 Meters) |
| Megapixel | 5.0 Megapixel |
| Resolution | 2594x1944 pixels / 1920x1080 pixels |
| Viewing Angle | 70° |
| Depth of Field | 1.18-inch to infinity (30mm to infinity) |
| LED Light | 6 Adjustable High-intensity LEDs |
| Connectivity | USB (compatible with Android OTG, Windows PC, MacBook) |
| Manufacturer | Teslong Technology |
8. Warranty and Support
For warranty information and technical support, please contact TOOLTOP Official or the manufacturer, Teslong Technology. Refer to your purchase documentation for specific warranty terms and contact details.
- EU Spare Part Availability Duration: 1 Year
For further assistance, visit the official TOOLTOP website or contact their customer service.




