Introduction
Thank you for choosing the SALCAR LU4 Christmas Tree String Lights. This product is designed to provide a festive and warm ambiance for your indoor Christmas tree. Please read this manual carefully before installation and use to ensure safe and optimal performance.

Image: SALCAR Christmas Tree String Lights installed on a Christmas tree.
Safety Information
- This product is intended for indoor use only. The IP20 waterproof rating means it is not protected against water spray or immersion.
- Ensure the power source is 4.5V USB. Do not use chargers with higher voltage.
- Keep away from children and pets during installation and operation to prevent entanglement or damage.
- Do not attempt to modify or repair the lights. Contact customer support if issues arise.
- Unplug the lights from the USB power source when not in use or before cleaning.
- The LEDs generate low heat, making them safe to touch after prolonged use.
Package Contents
Verify that all components are present in the package:
- 1x SALCAR Christmas Tree String Lights (2m with 10 strands, 210 LEDs)
- 1x Tree Topper Star (integrated with lights)
- 1x USB Power Cable (5m length)
- 1x Remote Control
- 1x User Manual

Image: Contents of the SALCAR Christmas Tree String Lights package.
Specifications
| Model Number | LU4 |
| Length | 2 meters (for trees 1.5m to 2.8m tall) |
| Number of Strands | 10 |
| Total LEDs | 210 (20 LEDs per strand, 10 LEDs on tree topper star) |
| LED Color | Warm White (2700K) |
| Cable Color | Dark Green |
| Power Interface | USB (4.5V, 450mA) |
| Power Consumption | 1.9 Watts |
| Waterproof Rating | IP20 (Indoor Use Only) |
| Lighting Distance | 10 cm between LEDs |
| Power Cable Length | 5 meters |
| Star Topper Size | 15 cm (6 inches) |
| Remote Control Functions | 9 lighting modes, dimming, timer |
| Weight | 330 grams |

Image: Dimensional diagram of the string lights.

Image: Energy label for the product. For more details, visit sekeygroup.com/Energielabel.
Setup Instructions
- Unpack the Lights: Carefully remove the string lights and all components from the packaging. Untangle the strands gently.
- Position the Tree Topper: Place the integrated star topper at the very top of your Christmas tree. The ring at the base of the star should rest securely on the top branch.
- Unroll the Strands: Allow the 10 individual light strands to hang down naturally around the tree. Distribute them evenly for optimal coverage.
- Connect Power: Locate the USB connector on the power cable. Plug the USB connector into a compatible 4.5V USB power adapter (not included) or a USB port.
- Test the Lights: Once connected, the lights should illuminate. Use the remote control to test different modes.

Image: Key components for setup, including the USB plug, remote, and tree topper ring.
Operating Instructions
The SALCAR Christmas Tree String Lights are operated using the included remote control. Ensure the remote has a working battery (if applicable, usually pre-installed or a small tab to remove). Point the remote towards the USB receiver for best results.
Remote Control Functions:
- ON/OFF: Press the ON button to turn the lights on, and OFF to turn them off.
- MODE (1-8): Cycle through 8 different lighting modes:
- Combination
- In Wave
- Sequential
- Slow Glow
- Chasing/Flash
- Slow Fade
- Twinkle/Flash
- Steady On
- DIM (+/-): Adjust the brightness of the lights.
- TIMER: Activate the timer function (e.g., 6 hours on, 18 hours off). Refer to the remote's specific markings for exact timer duration.

Image: Remote control for operating the lights.
Maintenance
- Cleaning: Ensure the lights are unplugged before cleaning. Gently wipe the LEDs and cables with a soft, dry cloth. Do not use liquid cleaners.
- Storage: When not in use, carefully coil the light strands to prevent tangling. Store the lights in their original packaging or a dry, cool place away from direct sunlight.
- Durability: The pure copper wire is designed for high temperature and pressure resistance, and is flame retardant.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Lights do not turn on. | No power, loose connection, remote battery dead. |
|
| Remote control not working. | Obstruction, dead battery, remote too far. |
|
| Lights are flickering or dim. | Low power, dimming setting. |
|
Warranty and Support
Information regarding specific warranty terms and availability of spare parts for the SALCAR LU4 Christmas Tree String Lights is not provided in the product details. For any support inquiries, warranty claims, or questions not covered in this manual, please contact your retailer or the SALCAR customer service directly through their official channels.
Please retain your proof of purchase for any warranty-related claims.





