1. Introduction
Welcome to the user manual for your Kircuit 12V AC/DC Adapter. This adapter is designed to provide reliable power to compatible devices, specifically the Thinlerain HD1303 13.3 inch PC Monitor. Please read this manual carefully to ensure proper usage and longevity of your product.
2. Important Safety Information
- Do not expose the adapter to water or excessive moisture.
- Do not disassemble the adapter.
- Use only with compatible devices that require 12V DC input.
- Ensure proper ventilation around the adapter during use.
- Unplug the adapter from the power outlet when not in use for extended periods.
3. Package Contents
- 1 x Kircuit 12V AC/DC Adapter
4. Setup Instructions
- Identify the Adapter: Locate the Kircuit 12V AC/DC Adapter. It features a standard US two-prong plug on one end and a barrel connector on the other.

This image shows the Kircuit 12V AC/DC Adapter, highlighting its compact design and the barrel connector.
- Connect to Device: Insert the barrel connector end of the adapter into the DC input port of your Thinlerain HD1303 13.3 inch PC Monitor. Ensure the connection is firm.
- Connect to Power Outlet: Plug the two-prong end of the adapter into a standard 100V-240V AC wall outlet.

This image demonstrates the adapter plugged into a power strip, ready for use.
- Verify Power: Once connected, your device should receive power. Check the device's power indicator.
5. Operating Instructions
The Kircuit 12V AC/DC Adapter operates automatically once connected to a power source and a compatible device. It provides a stable 12V DC output.
- The adapter is designed for continuous operation within its specified input voltage range (100V-240V AC).
- It features built-in protection against overcharge, ensuring the safety of your connected device.
6. Care and Maintenance
- Keep the adapter clean and free from dust. Use a dry, soft cloth for cleaning.
- Avoid bending or kinking the power cord excessively to prevent internal damage.
- Store the adapter in a cool, dry place when not in use.
7. Troubleshooting Guide
| Problem | Possible Cause | Solution |
|---|---|---|
| No power to device | Adapter not plugged in | Ensure adapter is securely plugged into both the wall outlet and the device. |
| No power to device | Wall outlet not working | Test the wall outlet with another device or try a different outlet. |
| No power to device | Device power port issue | Consult your device's manual or manufacturer for troubleshooting its power input. |
| Adapter feels warm | Normal operation | It is normal for the adapter to feel warm during operation. If it becomes excessively hot, disconnect immediately and contact support. |
8. Product Specifications
- Brand: Kircuit
- Input: 100V-240V AC, 50/60Hz
- Output: 12V DC (specific amperage not provided, but implied by compatibility)
- Connector Type: Barrel Plug
- Compatibility: Thinlerain HD1303 13.3 inch Small PC Monitor 1366x768 LED
- Special Features: Built-in Dynamic IC, Charger IC & Power fuse for rapid charging and overcharge protection.
- Color: Black
- Cord Length: Approximately 6.5 ft

This image highlights the approximate cord length of 6.5 feet for the adapter.
9. Warranty and Customer Support
For warranty information or technical support, please refer to the retailer or manufacturer's official website. Keep your purchase receipt for warranty claims.
Manufacturer: Shenzhen Waweis Technology Co., Ltd.
For further assistance, please contact your point of purchase.