1. Introduction
This manual provides essential information for the safe and efficient use of your VSDISPLAY 12V 2A AC/DC Power Adapter. This power supply is designed to convert AC input voltage (100-240V) to a stable 12V DC output with a maximum current of 2A, suitable for various electronic devices, including VSDISPLAY LCD controller boards.
Please read this manual thoroughly before using the product and retain it for future reference.
2. Safety Information
- Ensure the power adapter is used with devices that match its voltage (12V) and current (2A) specifications. Exceeding these limits can damage the adapter or the connected device.
- Do not expose the power adapter to water, moisture, or extreme temperatures.
- Avoid dropping or subjecting the adapter to strong impacts.
- Do not attempt to open or repair the adapter. Refer all servicing to qualified personnel.
- Keep out of reach of children.
- Disconnect the power adapter from the wall outlet when not in use for extended periods.
3. Package Contents
The package includes the following items:
- 1x VSDISPLAY 12V 2A US UL Certification Power Adapter
- 1x 5.5mm x 2.1mm to 3.5mm x 1.35mm Transfer Connector

Image: The VSDISPLAY 12V 2A US UL Certification Power Adapter with its attached cable and standard US plug.
4. Setup Instructions
- Verify Device Compatibility: Before connecting, ensure your device requires a 12V DC power input and draws no more than 2A of current. Also, confirm the power input port on your device matches either the 5.5mm x 2.1mm connector or the 3.5mm x 1.35mm connector (using the provided transfer connector).
- Select Correct Connector:
- If your device requires a 5.5mm x 2.1mm plug, use the main connector directly from the adapter.
- If your device requires a 3.5mm x 1.35mm plug, attach the provided transfer connector to the main 5.5mm x 2.1mm plug.
- Connect to Device: Carefully insert the appropriate connector into your device's power input port.
- Connect to Power Outlet: Plug the power adapter into a standard AC 100-240V wall outlet.
- Power On Device: Once connected, you can power on your device.

Image: Diagram showing the dimensions of the power adapter, including the cable length (approximately 47.64 inches or 120cm) and the adapter body dimensions (2.99 inches height, 1.26 inches width).
5. Operating Instructions
The VSDISPLAY Power Adapter operates automatically once connected to a compatible device and a power outlet. It provides a stable 12V DC output to power your electronic equipment.
- Ensure all connections are secure before applying power.
- The adapter is designed for continuous operation within its specified limits.
- If your device has an ON/OFF switch, use that to control power to the device.
6. Maintenance
To ensure the longevity and proper functioning of your power adapter, follow these simple maintenance guidelines:
- Cleaning: Disconnect the adapter from the power outlet and the device before cleaning. Use a soft, dry cloth to wipe the surface. Do not use liquid cleaners or solvents.
- Storage: Store the adapter in a cool, dry place away from direct sunlight and excessive heat when not in use.
- Cable Care: Avoid bending or crimping the power cord excessively. Do not place heavy objects on the cord.
- Inspection: Periodically inspect the adapter and cable for any signs of damage, such as frayed wires or cracked casing. If damage is found, discontinue use immediately.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. |
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| Adapter feels hot during use. |
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8. Specifications
| Input Voltage | AC 100-240V |
| Output Voltage | DC 12V |
| Output Current | 2A |
| Output Wattage | 24W |
| Connector Type | 5.5mm x 2.1mm (with 3.5mm x 1.35mm transfer connector) |
| Wire Length | Approximately 3.9 feet (119-120 cm) |
| Certifications | UL Certified |
| Model Number | eggreh-001 |
| Item Weight | 4.6 ounces |
| Dimensions (Adapter Body) | 4.33 x 2.56 x 1.89 inches |
9. Warranty and Support
Warranty Information
This product is typically covered by a 30-day return/replacement policy from the date of purchase. Please refer to your purchase platform's specific return policy for detailed terms and conditions.
Customer Support
For any questions, concerns, or technical assistance regarding your VSDISPLAY Power Adapter, please contact the seller directly through the platform where you made your purchase. Provide your order number and a detailed description of the issue for prompt support.





