2.1M APP-Controlled RGB LED Christmas Tree Light String
2.1M APP-Controlled RGB LED Christmas Tree Light String
Transform Your Christmas Tree with Smart RGB LED Lights
Bring your holiday décor to life with the GCTECHING 2.1M Smart RGB LED Christmas Tree Light String. With over 400 ultra-bright LEDs, app-controlled animations, music-sync, and full DIY customization, this is the ultimate festive lighting upgrade for any Christmas tree up to 2.1 meters tall. Made in Mainland China.
App-Powered Holiday Magic
Download the dedicated app and unlock a world of lighting creativity right from your smartphone. Choose from:
- Multiple static color effects for classic, elegant displays
- 11+ dynamic animation effects for eye-catching movement
- DIY graffiti & text input — write custom messages or draw your own patterns
- Preset animation library with looping multi-animation sequences
- Color adjustment across the full RGB spectrum
Music Sync & Smart Timer
The built-in microphone reads music from your phone and captures ambient sounds, activating one of 6 music rhythm modes that pulse and dance in sync with your favorite holiday tunes. Set an on/off timer so your lights automatically illuminate every evening — and the controller remembers your last mode, so there's no need to reconfigure each time.
200+ Heads, 20 Strands, IP65 Waterproof
Each light string features more than 200 LED heads across 20 flexible PVC strands, each approximately 1.5 meters long. The flexible green fiber strands blend seamlessly into tree branches and can be shaped into any configuration. Rated IP65 waterproof, these lights are built to handle indoor and outdoor holiday environments.
Key Features at a Glance
- ✅ 400 ultra-bright 4040 Symphony RGB LED chips
- ✅ Smartphone app control (iOS & Android)
- ✅ DIY text input & graffiti mode
- ✅ 6 music rhythm modes with built-in microphone
- ✅ Timer function with memory for last setting
- ✅ Dimmable brightness
- ✅ Remote control included
- ✅ Certifications: UL, FCC, CE, RoHS, EMC
- ✅ 1-year warranty
Specifications
| Length | 2.1M (fits trees up to 2.1M tall; actual strand length ~1.9M) |
| LED Count | 400+ LEDs (4040 Symphony RGB) |
| Power | 5V / 3A, 15W (Power adapter included) |
| Voltage | 220V AC |
| Waterproof Rating | IP65 |
| Lighting Distance | 6–10 meters |
| Model | SDS-RGB IC-02 |
| Product Weight | ~680g |
| Box Dimensions | 289 × 207 × 59 mm |
| Country of Origin | Made in Mainland China |
⚠️ Size Guide: The 2.1M product is designed for Christmas trees up to 2.1 meters tall. Actual strand length is approximately 1.9 meters. Available in 1.5M and 1.8M sizes as well — choose the size that matches your tree height for the best coverage.
For more on safe holiday lighting practices, visit the U.S. Consumer Product Safety Commission — Holiday Lighting Safety Guide.
Frequently Asked Questions
Q: What size Christmas tree does the 2.1M LED light string fit?
A: The 2.1M light string is designed for Christmas trees up to 2.1 meters (approximately 7 feet) tall. The actual usable strand length is about 1.9 meters, providing excellent coverage when wrapped around the tree's branches.
Q: Does this RGB Christmas tree light require a special app to operate?
A: Yes — the light string is fully controllable via a dedicated smartphone app available for both iOS and Android. The app lets you select animations, input custom text, activate music sync modes, set timers, and adjust colors. A physical remote control is also included for convenient, quick adjustments.
Q: Is the LED Christmas tree light string waterproof?
A: Yes! These lights carry an IP65 waterproof rating, making them suitable for both indoor and outdoor use in most weather conditions. They are well-suited for decorating both indoor Christmas trees and outdoor shrubs or hedges.
Q: Does this light string work with music?
A: Absolutely. The built-in microphone picks up music from your phone or ambient sounds in the room and synchronizes the LEDs to the beat across 6 dedicated music rhythm modes — perfect for festive parties and holiday gatherings.