1. Introduction
This manual provides detailed instructions for the Ralcam Articulating Borescope models F606BD and N505. These devices are designed for visual inspection in hard-to-reach areas, offering advanced articulation, high-resolution imaging, and durable construction. Please read this manual thoroughly before operating the borescope to ensure safe and effective use.
2. Safety Information
Always observe the following safety precautions to prevent injury or damage to the device:
- Do not immerse the main unit in water. Only the probe is waterproof (IP67 rated).
- Avoid bending the probe cable excessively or sharply, as this may damage internal components.
- Keep the device away from extreme temperatures, direct sunlight, and corrosive liquids.
- Do not attempt to disassemble or modify the borescope. Refer all servicing to qualified personnel.
- Ensure the battery (Model N505) is charged using the provided or a compatible charger.
- Use caution when inserting the probe into confined spaces to avoid damaging the probe or the inspection area.
3. Package Contents
Please check the package contents upon receipt. If any items are missing or damaged, contact customer support.
- Ralcam Articulating Borescope Main Unit (Model F606BD or N505)
- Articulating Probe Cable (5.0ft)
- USB Charging Cable
- User Manual
- Carrying Case

Image 1: Ralcam Articulating Borescope models F606BD (right) and N505 (left) with their respective carrying cases and probe cables.
4. Product Overview
4.1 Model N505 (2-Way 180° Articulation)

Image 2: Ralcam N505 Borescope showing the main unit, 5.5mm probe, and articulation control.
The N505 model features a 5-inch display, a 5.5mm ultra-slim probe with 2-way 180° articulation, and an integrated control handle. It includes 8 adjustable LED lights for illumination and a removable 4400mAh rechargeable battery.

Image 3: The 5.5mm miniature probe of the N505 model is designed for accessing tight and confined spaces.
4.2 Model F606BD (4-Way 360° Articulation)

Image 4: Ralcam F606BD Borescope featuring a 4-way articulating probe and dual lenses.
The F606BD model also has a 5-inch display but features a 6.5mm slim probe with 4-way 360° articulation. This model includes dual lenses for front and side views, providing comprehensive inspection capabilities.
4.3 Common Features

Image 5: The 5-inch IPS screen provides a clear and detailed view of the inspection area.
Both models feature a large 5-inch IPS screen for real-time viewing, high-resolution image and video capture, digital zoom, and photo rotation functions. The probes are IP67 waterproof, suitable for various environments.
5. Setup
5.1 Charging the Battery (Model N505)
For Model N505, ensure the 4400mAh rechargeable battery is fully charged before first use. Connect the USB charging cable to the borescope and a compatible USB power adapter (not included). The charging indicator will show the battery status.
5.2 Attaching the Probe
Carefully align the connector of the articulating probe cable with the port on the main unit. Push firmly until it clicks into place. Ensure a secure connection to prevent signal loss.
5.3 Powering On/Off
Press and hold the power button (usually marked with a power symbol) on the main unit for a few seconds to turn the device on. Repeat the action to power off the device.
6. Operating Instructions
6.1 Basic Navigation and Settings
Use the buttons below the screen to navigate menus and adjust settings. Common buttons include:
- Power Button: On/Off.
- Menu/Settings Button: Access device settings.
- OK/Confirm Button: Confirm selections.
- Up/Down/Left/Right Buttons: Navigate menus or control articulation.
6.2 Adjusting Probe Articulation
Both models feature advanced articulation for navigating complex spaces.

Image 6: The F606BD model offers 4-way articulation, allowing the probe tip to bend in multiple directions for a 360-degree view.
- Model N505 (2-Way 180°): Use the joystick or directional buttons on the handle to bend the probe tip up to 180 degrees in two directions. A locking mechanism helps maintain the desired angle.
- Model F606BD (4-Way 360°): Use the articulation control (often a wheel or joystick) to bend the probe tip in four directions, providing a full 360-degree view.
6.3 Adjusting LED Brightness
The borescope probes are equipped with adjustable LED lights to illuminate the inspection area. Press the dedicated LED brightness button (often marked with a light bulb icon) to cycle through different brightness levels. Model N505 offers 4 brightness levels with 8 LEDs.

Image 7: The IP67 waterproof probe features adjustable LED lighting with modes for various conditions, from avoiding glare to ultra-bright illumination.
6.4 Capturing Photos and Videos
Press the camera button to capture a still image. Press and hold the video button to start recording, and press again to stop. Captured media is saved to the internal memory or an inserted SD card (if applicable).
6.5 Digital Zoom and Photo Rotation

Image 8: The 5-inch HD display supports up to 8x magnification, allowing for detailed examination of objects.
Use the zoom buttons (often marked with '+' and '-') to magnify the live view or captured images. Model N505 supports up to 8x zoom, while Model F606BD supports up to 4x zoom. The device also allows for rotation of captured photos for better viewing angles.
6.6 Dual Lens Operation (Model F606BD)

Image 9: The F606BD dual-lens probe features both a front-view camera and a side-view camera, each with its own LED lights, to eliminate blind spots.
Model F606BD is equipped with both a front-view and a side-view camera. Use the dedicated button (often marked with a camera icon or 'M' for mode) to switch between the front lens, side lens, or a split-screen view displaying both simultaneously. This feature helps eliminate inspection blind spots.
7. Maintenance
- Cleaning the Probe and Lens: After each use, gently wipe the probe and camera lens with a soft, dry cloth. For stubborn dirt, a slightly damp cloth with mild soap can be used, ensuring no liquid enters the main unit.
- Battery Care (Model N505): To prolong battery life, avoid fully discharging the battery frequently. Charge the battery regularly, even if the device is not in use for extended periods.
- Storage: Store the borescope and its accessories in the provided carrying case in a cool, dry place, away from direct sunlight and extreme temperatures.
8. Troubleshooting
- Device does not power on:
- Ensure the battery (N505) is charged or the device is connected to power.
- Check if the power button is pressed and held sufficiently.
- No image on screen:
- Verify the probe cable is securely connected to the main unit.
- Check LED brightness settings.
- Image is blurry:
- Clean the camera lens.
- Ensure the object is within the optimal focal range of the probe.
- Articulation not responding:
- Check for any obstructions preventing probe movement.
- Ensure the articulation controls are not locked (N505).
9. Specifications
| Feature | Model N505 | Model F606BD |
|---|---|---|
| Probe Diameter | 5.5mm (0.22in) | 6.5mm (0.25in) |
| Articulation | 2-Way 180° | 4-Way 360° |
| Probe Cable Length | 5.0ft Flexible Cable | 5.0ft Semi-rigid Cable |
| Display Screen | 5-inch Large IPS Screen | 5-inch Large IPS Screen |
| Camera Lenses | Single Lens | Dual Lens (Front & Side) |
| LED Lights | 8 Adjustable LEDs (4 brightness levels) | Adjustable LEDs |
| Zoom Function | Up to 8x Digital Zoom | Up to 4x Digital Zoom |
| Battery | 4400mAh Rechargeable & Removable | Integrated (details not specified) |
| Waterproof Rating | IP67 (Probe only) | IP67 (Probe only) |
| Functions | Photo & Video, Photo Rotation | Photo & Video, Photo Rotation |
10. Warranty and Support
Ralcam products are designed for reliability and performance. For warranty information, technical support, or service inquiries, please refer to the contact information provided with your purchase or visit the official Ralcam website.
ASIN: B0FMRQKR4
Date First Available: July 14, 2025


