1. Introduction
Thank you for purchasing the MOYSUWE MDM4 Digital Microscope. This manual provides essential information for the safe and effective use of your device. Please read it thoroughly before operation and retain it for future reference.
The MDM4 Digital Microscope offers up to 1000X magnification, a 4.3-inch LCD screen, and 720P video recording capabilities, making it suitable for various applications such as coin inspection, soldering, and educational exploration.
2. Product Overview
2.1 Key Features
- Adjustable Magnification: 50X to 1000X
- Display: 4.3-inch HD LCD Screen
- Video Resolution: 720P
- Image Capture: Photo and Video Recording
- Storage: Supports MicroSD card (32GB included)
- Illumination: 8 Built-in Adjustable LED Lights
- Connectivity: USB for PC connection (Windows compatible)
- Construction: Durable Aluminum Alloy Stand and Base
2.2 Components and Controls

This image illustrates the various components of the MDM4 Digital Microscope, including the 4.3-inch screen, Micro USB port, SD card slot, power button, menu button, OK button, focusing wheel, adjustable fill light wheel, adjustable height button, lens cap, and the aluminum alloy stand and base.
The microscope features a 4.3-inch screen for direct viewing, a Micro USB port for charging and data transfer, and an SD card slot for storing captured images and videos. Controls include buttons for power, menu navigation, and confirming selections (OK). The focusing wheel allows for precise image clarity, while the adjustable fill light wheel controls the brightness of the built-in LEDs. The adjustable height button allows for vertical movement of the microscope on its robust aluminum alloy stand.
3. Setup
3.1 Assembly
- Carefully unpack all components from the packaging.
- Attach the microscope unit to the metal stand using the provided adjustable height button and securing mechanism. Ensure it is firmly in place.
- Place the aluminum alloy base on a stable, flat surface.
3.2 Charging the Device
Before first use, fully charge the microscope's internal battery. Connect the Micro USB cable to the microscope's Micro USB port and the other end to a compatible USB power adapter (not included) or a computer's USB port. The indicator light will show charging status.
3.3 Initial Power On
Press and hold the Power button until the LCD screen illuminates. The device will boot up and display the live view from the microscope camera.
3.4 Connecting to a PC

This image shows the digital microscope connected to a laptop, allowing for a larger viewing experience on the computer screen.
To view the microscope's output on a larger screen, connect the device to a Windows PC or laptop using the Micro USB cable. The microscope will function as a PC camera. You may need to install a generic webcam software or the recommended software (if provided separately) to access the live feed.
4. Operating Instructions
4.1 Power On/Off
- To Power On: Press and hold the Power button for approximately 3 seconds until the screen turns on.
- To Power Off: Press and hold the Power button for approximately 3 seconds until the screen turns off.
4.2 Adjusting Magnification and Focus

This image depicts an adult and a child examining a leaf with the digital microscope, highlighting its capability to magnify objects from 50X to 1000X for detailed exploration.
- Place the object you wish to observe on the base plate directly under the microscope lens.
- Adjust the height of the microscope unit using the adjustable height button on the stand to get a rough focus.
- Rotate the Focusing Wheel on the microscope body to achieve a clear and sharp image on the LCD screen.
- The magnification level changes as you adjust the distance between the lens and the object, and fine-tune with the focusing wheel.
4.3 Using the Built-in LED Lights

This image provides a detailed view of the microscope's lens, showcasing the 8 built-in adjustable LED lights designed to illuminate objects for clear viewing, even in low-light conditions.
The MDM4 is equipped with 8 adjustable LED lights around the lens. Rotate the Adjustable Fill Light Wheel to increase or decrease the brightness, ensuring optimal illumination for your specimen.
4.4 Capturing Photos and Videos

This image displays the microscope's screen interface, indicating its capability to capture both video and still photos. Several magnified examples of circuit boards, coins, and leaves are shown.
Ensure a MicroSD card is inserted into the SD card slot. The microscope supports both photo and video recording. Use the 'Menu' button to navigate between modes (Photo/Video) and the 'OK' button to capture an image or start/stop video recording.
4.5 Handheld Operation

This image shows two children holding the digital microscope without its stand, demonstrating its portability and ease of use for examining objects up close in various environments.
For examining larger objects or for field use, the microscope unit can be detached from its stand. Gently slide the microscope unit upwards from the stand. Hold the unit firmly and position the lens close to the object you wish to inspect. Adjust focus using the focusing wheel.
5. Maintenance
5.1 Cleaning
- Lens: Use a soft, lint-free cloth specifically designed for optical lenses. For stubborn smudges, a small amount of lens cleaning solution can be applied to the cloth, not directly to the lens.
- Body: Wipe the microscope body and stand with a soft, dry cloth. Avoid using abrasive cleaners or solvents.
5.2 Storage
When not in use, store the microscope in a clean, dry place away from direct sunlight, extreme temperatures, and high humidity. Keep the lens cap on to protect the lens from dust and scratches.
5.3 Battery Care
To prolong battery life, avoid fully discharging the battery frequently. If storing for an extended period, charge the battery to approximately 50% and recharge every few months.
6. Troubleshooting
6.1 No Power / Screen Does Not Turn On
- Ensure the battery is charged. Connect the microscope to a power source using the Micro USB cable.
- Press and hold the Power button for at least 3 seconds.
6.2 Blurry Image
- Adjust the Focusing Wheel until the image is clear.
- Ensure the object is within the working distance of the microscope. Adjust the height of the microscope on the stand.
- Clean the lens if there are smudges or dust.
6.3 Cannot Capture Photos/Videos
- Verify that a MicroSD card is properly inserted into the SD card slot.
- Check if the MicroSD card has sufficient free space.
- Ensure the device is in the correct mode (Photo or Video) before pressing the 'OK' button.
6.4 PC Connection Issues
- Ensure the USB cable is securely connected to both the microscope and the PC.
- Try a different USB port on your computer.
- Confirm that your PC's operating system (Windows) recognizes the device as a webcam. You may need to update drivers or use a different webcam application.
7. Specifications
| Feature | Specification |
|---|---|
| Brand | MOYSUWE |
| Model Number | MDM4 |
| Display Screen | 4.3 inches LCD |
| Magnification | Up to 1000X |
| Video Resolution | 720P |
| Light Source | 8 Adjustable LED Lights |
| Product Dimensions | 21.79 x 17.68 x 8.48 cm |
| Product Weight | 798.32 g (1.76 pounds) |
| Battery Included | Yes |
8. Warranty and Support
For warranty information or technical support, please refer to the product packaging or contact the retailer from whom you purchased the MOYSUWE MDM4 Digital Microscope. Please have your model number (MDM4) and purchase date available when contacting support.
