1. Introduction
This manual provides essential information for the proper use and maintenance of your UPBRIGHT 10 FT (3m) DC Extension Power Cable Cord. This cable is designed to extend the reach of power adapters for various compatible devices, including specific Tenvis and Smarthome IP cameras. Please read these instructions carefully before use to ensure optimal performance and safety.
2. Product Overview
The UPBRIGHT 10 FT (3m) DC Extension Power Cable Cord is a male-to-female connector cable designed to provide additional length for your existing power supply. It is compatible with a range of devices requiring a 3.5mm x 1.35mm DC barrel connector.
Key Features:
- Length: 10 feet (approximately 3 meters) for extended reach.
- Connector Type: DC Male to DC Female, 3.5mm x 1.35mm barrel connector.
- Compatibility: Designed for use with various IP cameras and baby monitors, including:
- Tenvis TH661, WH-TH661, TR3818
- Tenvis IProbot3, IProbot 3 IR Wireless Network IP Camera
- Tenvis JPT3815, JPT3815WB, JPT3815W, JPT3815W-HD IP Camera
- Smarthome 75790 Wireless WiFi IP Camera Webcam

Figure 1: General view of the UPBRIGHT 10 FT (3m) DC Extension Power Cable Cord.
3. Setup
Follow these steps to properly connect your extension cable:
- Verify Compatibility: Ensure your device's power adapter output connector matches the 3.5mm outer diameter and 1.35mm inner diameter of this extension cable. Refer to your device's original power adapter specifications.
- Connect Power Adapter: Plug the male end of your device's existing power adapter into the female receptacle of the UPBRIGHT extension cable. Ensure a secure and snug fit.
- Connect to Device: Plug the male end of the UPBRIGHT extension cable into the DC power input port of your compatible device (e.g., IP camera, baby monitor).
- Power On: Once both connections are secure, plug your power adapter into a wall outlet. Your device should now receive power.

Figure 2: Connection diagram for the DC extension power cord.

Figure 3: Detailed view of the 3.5mm x 1.35mm DC connector dimensions.
4. Operating
The UPBRIGHT DC Extension Power Cable Cord operates passively by extending the reach of your existing power adapter. Once connected correctly, it will transmit power from your adapter to your device without requiring any additional user interaction. Ensure the cable is not kinked or strained during operation.
5. Maintenance
To ensure the longevity and reliable performance of your extension cable, follow these simple maintenance guidelines:
- Cleaning: Wipe the cable with a dry, soft cloth to remove dust or dirt. Do not use liquid cleaners directly on the connectors.
- Storage: When not in use, coil the cable loosely. Avoid tight coiling or bending at sharp angles, which can damage the internal wires.
- Inspection: Periodically inspect the cable and connectors for any signs of wear, fraying, or damage. Discontinue use if any damage is observed.
- Environment: Keep the cable away from extreme temperatures, direct sunlight, and moisture.
6. Troubleshooting
If your device is not receiving power after connecting the extension cable, consider the following:
- No Power to Device:
- Ensure both ends of the extension cable are securely connected.
- Verify that your original power adapter is functioning correctly by testing it directly with the device (without the extension cable).
- Check if the wall outlet is providing power.
- Confirm that the DC connector dimensions (3.5mm x 1.35mm) are correct for your device and power adapter.
- Intermittent Power:
- Check for loose connections at either end of the extension cable or at the power adapter.
- Inspect the cable for any visible damage or kinks.
7. Specifications
| Specification | Detail |
|---|---|
| Manufacturer | UpBright |
| Part Number | Tenvis TH661 10 Feet Extension Cable |
| Item Weight | 3 ounces |
| Product Dimensions | 5 x 2 x 1 inches (packaging) |
| Item Length | 120 Inches (10 Feet / 3 Meters) |
| Connector Gender | Male-to-Female |
| Plug Format | Type A (for power adapter connection) |
| Number Of Conductors | 3 |
8. Warranty and Support
UPBRIGHT products are designed for reliability and performance. This product comes with the following warranty:
- Warranty: 30 Days Refund - 24 Months Exchange.
For any questions, technical assistance, or warranty claims, please contact UPBRIGHT customer support through your original point of purchase.