1. Introduction
This manual provides detailed instructions for the safe and effective operation of your Zealtron Borescope with Light, Model A1. Please read this manual thoroughly before use and retain it for future reference.
2. Safety Information
- Do not use the device in environments with flammable or explosive gases.
- Keep the device away from strong electromagnetic fields.
- The camera probe is IP67 waterproof; however, the main unit is not. Avoid submerging the main unit in liquids.
- Do not attempt to disassemble or modify the device. Repairs should only be performed by authorized personnel.
- Keep out of reach of children.
- Ensure the device is fully charged before extended use to prevent unexpected power loss during inspection.
3. Package Contents
Verify that all items are present in your package:
- Zealtron Borescope with Light (Main Unit with integrated 16.5ft semi-rigid cable and 8mm camera probe)
- USB Charging Cable
- Retrieval Hook Attachment
- Magnetic Tip Attachment
- Side Mirror Attachment
- User Manual

Image: The borescope main unit, coiled semi-rigid cable with camera, USB charging cable, and small accessory attachments (hook, magnet, mirror).
4. Product Overview
Familiarize yourself with the components of your borescope:
- 4.3-inch IPS Display: High-definition screen for live viewing.
- Camera Probe: 8mm diameter, IP67 waterproof, with 8 adjustable LED lights.
- Semi-Rigid Cable: 16.5 feet (5 meters) long, designed for flexibility and shape retention.
- Control Buttons:
- Power Button: Long-press to turn on/off.
- B&W Mode Button: Switches between color and black & white display for enhanced clarity in certain conditions.
- LED Brightness Buttons: Adjusts the intensity of the 8 LED lights on the camera probe.
- Image Rotation Button: Rotates the image 180 degrees.
- Zoom Buttons: Magnifies the image (2x optical zoom).
- USB Charging Port: For recharging the internal battery.

Image: The main unit of the borescope, showing the 4.3-inch screen and the layout of the control buttons.

Image: A detailed view of the camera probe, highlighting the 8 adjustable LED lights around the lens.
5. Setup
5.1. Charging the Device
Before first use, fully charge the borescope.
- Connect the provided USB charging cable to the borescope's charging port.
- Connect the other end of the USB cable to a standard USB power adapter (not included) or a computer USB port.
- The charging indicator light will illuminate. Once fully charged (approximately 3-4 hours), the indicator may change color or turn off.
A full charge provides approximately 3-4 hours of continuous operation.

Image: An illustration depicting the internal battery and the charging connection point of the borescope.
5.2. Attaching Accessories
The borescope comes with a hook, magnet, and side mirror attachment. To attach:
- Gently slide the desired attachment onto the camera probe tip until it is securely in place.
- Ensure the attachment does not obstruct the camera lens or LED lights.

Image: Visual guide demonstrating the attachment of the hook, magnet, and side mirror to the camera probe.
6. Operating Instructions
6.1. Powering On/Off
Long-press the Power Button (usually located at the bottom of the control panel) for a few seconds to turn the device on or off. The screen will illuminate.
6.2. Adjusting LED Brightness
Use the LED Brightness Buttons (often marked with sun icons) to cycle through different brightness levels for the camera's LED lights. This helps illuminate dark inspection areas.

Image: A graphic illustrating the adjustment of LED brightness on the borescope.
6.3. Switching Display Modes (Color/Black & White)
Press the B&W Mode Button (often marked with a half-moon icon) to switch between color and black & white display modes. Black & white mode can sometimes reduce noise and improve image clarity in very low light conditions.

Image: A graphic demonstrating the activation of the black and white display mode.
6.4. Rotating the Image
Press the Image Rotation Button (often marked with a 180-degree arrow) to rotate the image on the screen by 180 degrees. This is useful when the camera probe is oriented upside down.

Image: A graphic illustrating the image rotation function on the borescope screen.
6.5. Using Zoom
Use the Zoom Buttons (often marked with '+' and '-' magnifying glass icons) to magnify the live image. The device features 2x optical zoom.

Image: A comparison showing the view at 1x and 2x zoom levels on the borescope screen.
6.6. Performing an Inspection
Carefully insert the camera probe into the area you wish to inspect. Guide the semi-rigid cable as needed. Adjust LED brightness and image orientation for optimal viewing.
The optimal focal distance for clear images is 1.2–3.9 inches (2cm-10cm).
Video: A user demonstrating the borescope in action, inspecting a hard-to-reach area.
7. Maintenance
7.1. Cleaning the Camera Lens
After each use, especially in dirty or wet environments, gently wipe the camera lens with a soft, dry cloth. For stubborn dirt, use a lens cleaning solution and a microfiber cloth.
7.2. Cleaning the Cable
Wipe the semi-rigid cable with a damp cloth to remove any debris. Ensure the cable is dry before coiling for storage.
7.3. Storage
Store the borescope in a cool, dry place, away from direct sunlight and extreme temperatures. Coil the cable loosely to prevent damage.
7.4. Battery Care
To prolong battery life, charge the device regularly, even if not in frequent use. Avoid fully discharging the battery for extended periods.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on | Low battery; Device not charged | Charge the device fully using the provided USB cable. |
| Image is blurry | Camera lens dirty; Object too close/far; Insufficient lighting | Clean the camera lens. Adjust the distance to the object (optimal 1.2-3.9 inches). Increase LED brightness. |
| No image on screen | Cable not properly connected; Device malfunction | Ensure the cable is securely connected. Restart the device. If problem persists, contact customer support. |
| LED lights not working | LED brightness set to minimum; Malfunction | Press the LED brightness buttons to increase intensity. If still not working, contact customer support. |
9. Specifications
| Feature | Specification |
|---|---|
| Display Screen | 4.3-inch IPS Full Color |
| Camera Resolution | 1920P HD (1080p) |
| Lens Diameter | 8.0mm |
| Cable Length | 16.5 feet (5 meters) |
| Cable Type | Semi-Rigid |
| Waterproof Rating | IP67 (Camera Probe Only) |
| LED Lights | 8 Adjustable Brightness LEDs |
| Focal Distance | 1.2 – 3.9 inches (2cm-10cm) |
| Battery Life | 3-4 hours (continuous use) |
| Charging Port | USB |
| Zoom | 2x Optical |
10. Warranty and Support
Your Zealtron Borescope with Light is backed by a 24-month warranty. For technical assistance, troubleshooting, or warranty claims, please contact Zealtron customer support.
Contact information: Refer to the product packaging or the official Zealtron website for the most current support details.