1. Introduction
This manual provides detailed instructions for the setup, operation, maintenance, and troubleshooting of your KUAIQU 4K 48MP Electronic Digital Microscope. This high-definition digital microscope is designed for precise inspection and measurement tasks, ideal for applications such as PCB soldering, phone repair, jewelry inspection, and educational purposes. Please read this manual thoroughly before using the device to ensure proper and safe operation.
Product Highlights:
- Adopts 2 megapixel imported Sony CMOS image sensor (for USB-C HDMI model)
- 1/2.8-inch image sensor with wider viewing angle compared to 1/3-inch
- HDMI 1080P 60 fps image output
- USB2.0 driver-free output 1080P 30 fps image output
- 4K video recording (for specific models, requires SDHC class10 TF card)
- Maximum 48MP photo, JPG format
- One-click freeze/unfreeze function
- Electronic zoom function
- Supports manual/automatic exposure, exposure compensation value adjustment
- Supports manual/automatic white balance, red, green and blue adjustable
- Provides 8 line drawing functions, line color, thickness, position adjustable
- Provides center crosshair display/off
- Supports TF card storage up to 64GB
- Remote control operation for clearer pictures
- Supports Chinese and English (default English)
- Supports saving of shutdown setup parameters
- Rugged metal housing
2. Safety Information
Please observe the following safety precautions to prevent damage to the device or personal injury:
- Ensure the microscope is used in a well-lit environment for optimal image clarity and to prevent eye strain.
- Do not expose the device to extreme temperatures, humidity, or dust.
- Use only the provided power adapter.
- Avoid direct exposure of the lens to strong light sources.
- Keep the device away from water or other liquids.
- Do not attempt to disassemble or repair the device yourself. Contact qualified personnel for service.
- Handle the lens and camera with care to avoid scratches or damage.
3. Packing List
Please check the contents of your package against the list below:
For 4K 48MP USB-C HDMI Camera:

Image showing the components included with the 4K 48MP USB-C HDMI camera variant.
- 1x Microscope Camera (4K 48MP USB-C HDMI)
- 1x Power Adapter
- 1x Type-C Data Cable
- 1x HDMI Cable
- 1x Remote Control
- 1x Plastic Ring
- 1x Instruction Manual
For 4K 48MP USB HDMI Camera:

Image showing the components included with the 4K 48MP USB HDMI camera variant.
- 1x Microscope Camera (4K 48MP USB HDMI)
- 1x Power Adapter
- 1x USB Data Cable
- 1x HDMI Cable
- 1x Remote Control
- 1x Plastic Ring
- 1x Instruction Manual
For 13MP VGA HDMI Camera:

Image showing the components included with the 13MP VGA HDMI camera variant.
- 1x Microscope Camera (13MP VGA HDMI)
- 1x Power Adapter
- 1x USB Data Cable
- 1x HDMI Cable
- 1x Remote Control
- 1x Plastic Ring
- 1x Instruction Manual
Common Accessories:
- 1x 1X-150X Zoom C-mount Lens
- 1x 56 bright black LED ring light
- 1x Adjustable bracket (boom stand)
4. Setup Instructions
4.1 Assembling the Boom Stand
- Attach the clamp base to a sturdy workbench or table edge. Tighten the screw to secure it.
- Insert the vertical pole of the boom stand into the clamp base.
- Attach the articulated arm to the vertical pole, ensuring all joints are securely fastened.
- Mount the microscope camera onto the adjustable head of the boom stand.

Diagram illustrating the assembly of the boom stand and attachment points.

Dimensions of the adjustable bracket: 340mm + 320mm arms, 50mm max clamp thickness.
4.2 Attaching the Lens and LED Ring Light
- Carefully screw the 1X-150X Zoom C-mount Lens onto the camera body.
- Attach the 56 bright black LED ring light around the lens. Ensure it is securely fastened.
- Connect the LED ring light power cable to a suitable power source.

Image showing the 56 bright black LED ring light with a 95mm diameter and 140mm line length.
4.3 Connecting to a Display/Computer
- HDMI Connection: Connect the microscope camera to an HDMI monitor using the provided HDMI cable.
- USB Connection (for 4K 48MP USB/USB-C models): Connect the microscope camera to a computer via the USB or Type-C data cable. For software, please download from: https://drive.google.com/file/d/1uhIXHPESUhsn4dt3KSQ0sBGb4_ta6aWO/view?usp=sharing
- VGA Connection (for 13MP VGA model): Connect the microscope camera to a VGA monitor using a VGA cable (not always included, check packing list).
- Connect the camera's power adapter to the camera and then to a power outlet.

Image showing the USB, TF Card, HDMI, IR, LED, and DC 5-12V ports on the 4K 48MP USB HDMI camera.

Image showing the DC IN 5-12V, HDMI, VGA, MENU, UP, DOWN, POWER, and IR ports on the 13MP VGA HDMI camera.

Image showing the HDMI, TF Card, Type-C, ON/OFF, UP, OK, LED, MENU, DOWN, MODE/AE, and IR ports on the 4K 48MP USB-C HDMI camera.
5. Operating Instructions
5.1 Basic Operation
- Power On/Off: Press the "ON/OFF" button on the camera or remote control to power on/off the device.
- Adjusting Focus: Rotate the focus ring on the 1X-150X C-mount lens to achieve a clear image.
- Adjusting Magnification: Rotate the zoom ring on the lens to change the magnification. The magnification power is approximately 0.15-2X (1-150X on display).
- Adjusting LED Light: Use the intensity control knob on the LED ring light to adjust brightness.
- Positioning the Microscope: Adjust the boom stand arms and camera head to position the microscope over your desired object.

Image showing the 1X-150X Zoom C-mount Lens and indicating rotation for focus adjustment.

Image showing the LED ring light with its brightness adjustment knob.
Video demonstrating the microscope in use for PCB inspection and adjustment of the boom stand and focus.
5.2 Camera Functions (via On-board Buttons)

Close-up of the camera's multifunction buttons.
- ON/OFF: Power on/off, freeze/unfreeze image.
- UP/ZOOM: Move up in menu, zoom in.
- OK/PHOTO: Confirm selection, take photo, move right in menu.
- MENU: Access menu settings.
- DOWN/ZOOM: Move down in menu, zoom out.
- MODE/AE: Switch display mode, adjust auto exposure.
5.3 Remote Control Functions

Diagram of the remote control buttons and their functions.
- Zoom In/Out: Magnify or reduce the image.
- Up/Downward/Leftwards/The Right: Navigate menu or adjust parameters.
- MENU: Access menu settings.
- AE: Auto Exposure adjustment.
- AWB: White Balance adjustment.
- Balance: Image balance settings.
- Crosshairs: Toggle crosshairs on/off.
- Monochrome: Switch to monochrome display.
- Freeze Button: Freeze/unfreeze the image.
- Pause: Pause video recording.
- Camera: Switch to camera mode.
- Videotape: Start/stop video recording.
- Photograph: Take a still photograph.
5.4 Software Usage (for USB/Type-C models)
When connected to a PC via USB or Type-C, use the dedicated software for advanced settings, measurements, and image analysis. The software allows for functions such as setting adjustments and measurements.

Image showing the microscope connected to a computer via USB, displaying the software interface.
6. Maintenance
- Cleaning the Lens: Use a soft, lint-free cloth and lens cleaning solution to gently wipe the lens. Avoid abrasive materials that could scratch the lens.
- Cleaning the Camera Body: Wipe the camera body with a dry, soft cloth. Do not use harsh chemicals or solvents.
- Storage: When not in use, store the microscope in a dry, dust-free environment. Use the provided plastic ring or lens cap to protect the lens.
- Cable Care: Avoid bending or twisting cables excessively to prevent damage.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No image on display. |
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| Image is blurry. |
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| Image is too dark/bright. |
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| Cannot record 4K/2K video. |
|
|
8. Specifications
8.1 General Specifications
- Brand Name: KUAIQU
- Model Number: JUYT-XHU4006-150X
- KUAIQU Model: DD5-XHU4006-150X
- Theory: Video Microscope
- Material: Aluminium alloy
- Certification: CE, FCC
- Is Smart Device: Yes
- Features: High Definition, Handheld, Portable, Digital
- Drawtube: Monocular
- Magnification Ratio: 500X & Under (Optical magnification 0.15-2X, approx. 1-150X on display)
- Maximum Working Distance of Lens: 1000mm
8.2 Camera Specifications (4K 48MP USB-C HDMI Model)
- Sensor: 1/2.8 Sony 2 megapixel imported sensor
- Pixel size: 2.9µm × 2.9µm
- HDMI output: 1920*1080 60 frames
- TYPE-C output: 1920*1080/30, 1280*720/30, 640*480/30, 320*240/30 (MJPG)
- Lens mount: C/CS
- Exposure: Automatic/manual/one-click exposure
- Exposure compensation: Support
- White balance: Automatic/manual/one-click white balance, supports RGB adjustable
- Storage: Supports up to 64GB TF card
- Input voltage: DC 5V
- Line: Supports 16 straight/vertical lines, adjustable color, thickness and position
- Centerline: Support
- Menu language: English/Chinese/Traditional Chinese
- Remote control: Supports remote control operation
- Net weight: 150g
- Gross weight: 350 grams
- Product size: 68*68*47mm
- Packaging size: 145*130*70mm
8.3 Camera Specifications (4K 48MP USB HDMI Model)
- Model: Camera with HDMI USB2.0 two output
- Image sensor: 48 megapixel Panasonic sensor
- Frame rate: 1920*1080 60F/S @ HDMI output
- Video save Movie size: 4K(25fps), 2K(30fps), 1080P(60fps), 720P(60fps) (Requires SDHC class10 TF card for 4K/2K)
- Housing: All metal
- Support: C-Mount lens
- Digital magnification: 5 times digital zoom
- White balance: Auto/manual
- Cross cursor: Support multi-color, size adjustable
- TF card interface: Max 32G
- Video format: MOV
- HDMI interface: HDMI/USB output
- Image: 48M 8000X6000/38M 7168X5376/26M 5888X4416/20M 5120X3840/16M 4608X3456
- Language: Chinese/English
- Mirroring: Support
- Frequency: 50Hz/60Hz
- Monitor: 16:9/16:10/4:3
- Grid line: 15 Horizontal line, 15 Vertical line, Central scale line, Custom colors, Size
- Power supply: 5-12V 1A
8.4 Camera Specifications (13MP VGA HDMI Model)
- Video Interface: HDMI VGA
- Lens: CS
- Working voltage: 12V
- Working current: 150mA
- Optical format: 1/3"
- Pixel size: 2.8um*2.8um
- Pixel array: 13MP
- TV Lines: 1200TVLine
- FPS of max image: 60FPS
- Scanning mode: Progressive
- Shutter mode: Electronic shutter
- Dynamic range: 65dB
- S/N radio: 45dB
- OSD language: English/Chinese
- AWB mode: One time white balance / manual / auto
- HDR: Adjustable
- Cross line: Support 8 colors / line width adjustable
- B/W: Allow
- Negative: Allow
- Mirror flip: Support left / right / up / down
- Freeze: Allow
- Compare: Allow
- Manual set bright, contrast, sharp, saturation: Allow
- Output of display resolution: HDMI: 16:9, 4:3 VGA: 1920*1080/1600*900/1440*900/1366*768/1280*1024/1280*720/1024*768/800*600 (Supports various displays on the market)
8.5 1X-150X Zoom C-mount Lens Specifications
- Working distance: 50mm-1000mm
- Zoom ratios: 1:15
- Magnification Power: 0.15-2X (approximately 1-150X on the display)
- View field of Max multiple: 4.2mm*2.4mm
- View field of Min multiple: 130mm*70mm
- Size: 30mm (diameter) * 99mm (length)
- Weight: 195g
8.6 56 Bright Black LED Ring Light Specifications
- Life: 100,000 hours
- Illumination: Intense and focused shadow-free illumination
- Brightness: 0-100% adjustable, high brightness
- Control: Variable intensity control
- Power input: 90-260V, 50-60HZ
- Suit for lens diameter: 30mm-63mm
- Working distance: 400mm
9. User Tips
- Lighting is Key: Always ensure adequate lighting, especially when working at longer distances or higher magnifications. If the image is not clear, try increasing the LED ring light brightness or adding an external work desk lamp.
- Software for Advanced Features: For models with USB/Type-C output, utilize the provided software for measurement functions and fine-tuning settings on your PC.
- TF Card for High-Resolution Video: If you plan to record 4K or 2K video, make sure to use an SDHC class10 TF card to ensure proper recording quality and speed.
- Check Connections: If you experience display issues, always double-check all cable connections (HDMI, USB, power) and ensure your monitor is set to the correct input source.
10. Warranty and Support
This product comes with a 12-month warranty from the date of purchase. If you encounter any quality problems or are not satisfied with your item, please contact the seller directly. Provide evidence to show the problem, and the seller can offer a return or resend warranty.
For technical support or further inquiries, please refer to the contact information provided by your seller or visit the official KUAIQU website.