As an Amazon Associate we earn from qualifying purchases. We research products independently, and commissions never change our picks.
Best christmas lights smart let you change colors, effects and timers from a phone app. This guide looks at app-controlled lights in string, curtain, waterfall and C9 forms, in lengths from 7 ft to 328 ft. Each pick lists what its app controls, from colors to music sync.
We compared listing details for length, LED count, app control, effects, color and water rating. We kept only lights that included app control in the listing. Read more in our editorial policy, or see our main best christmas lights guide for more choices.
Top 3 Smart Christmas Lights to Start With
Smart Color Changing Christmas Lights Outdoor 328 FT 1000 LED
- 1000 LED lights on 328 ft
- Bluetooth app control
- Music sync mode included
Smart Curtain Lights Plug in 400 LED Curtain Fairy Lights App
- 400 LED lights on a 6.6 ft by 6.6 ft curtain
- App and remote control
- IP67 waterproof rating
Smart Christmas Lights 300 LED 98.5 FT Color Changing String
- 300 LED lights on 98.5 ft
- Bluetooth app control
- Clear wire string lights
How We Score
| Criterion | Weight | What we look at |
|---|---|---|
| length and LED count | 30% | How long the lights are and how many LED lights they have |
| app control | 30% | What the app controls, from colors to timers |
| effects and color | 20% | What effects, scenes and colors the lights offer |
| weather and build | 20% | What water rating and material the listing gives for outdoor use |
App Controlled Lights Compared
| Product | Best For | Score | Type | Key spec | |
|---|---|---|---|---|---|
 Smart Color Changing Christmas Lights Outdoor 328 FT 1000 LED | Best Overall | 9.2 | String Lights | 328 ft 1000 LED | View |
 Smart Curtain Lights Plug in 400 LED Curtain Fairy Lights App | Best Curtain Pick | 8.9 | Curtain Lights | 6.6 ft 400 LED | View |
 Smart Christmas Lights 300 LED 98.5 FT Color Changing String | Best Clear Wire | 8.6 | String Lights | 98.5 ft 300 LED | View |
 118FT 150LED Smart C9 Christmas Lights Outdoor RGBW String | Best C9 String | 8.3 | C9 Lights | 118 ft 150 LED | View |
 Smart Christmas Tree Lights 7FT 400LED DIY Waterfall Star | Best Tree Star | 7.9 | Tree Lights | 7 ft 400 LED | View |
 Dazzle Bright Smart Christmas Tree Lights 448 LED Waterfall Topper | Best Waterfall Topper | 7.7 | Waterfall Lights | 8.2 ft 448 LED | View |
Smart Color Changing Christmas Lights Outdoor 328 FT 1000 LED
- 1000 LED lights on 328 ft
- Bluetooth app control
- Music sync mode included
- 44-key remote included
- 328 ft needs a large house or yard
- 30 volts is the highest pick
- No DIY text is listed
| Light Source Type | LED |
|---|---|
| Voltage | 30 volts |
| Wattage | 18 watts |
| Ingress Protection Code Rating | IP44 |
This set has 1000 LED lights on a 328 ft string, with a 16.5 ft lead wire for a total of 344 ft. Bulbs sit 3.9 inch apart. A Bluetooth app switches modes and colors, with group control, DIY customization, scene settings, music sync, microphone mode and timers. A 44-key remote adjusts brightness, speed, timers and modes.
Music sync uses a built-in microphone, so the lights pulse and change color with music. Three timer options cover 4, 6 or 8 hours on. The listing gives an IP44 waterproof rating for indoor and outdoor use. Score: length and LED count 10, app control 10, effects and color 8, weather and build 8.
Who the 1000 LED Smart String fits best
Choose this if you want the longest smart string for a large house.
Who should skip the 1000 LED Smart String
Skip this if you want a curtain, waterfall or bulb-style form.
As an Amazon Associate we earn from qualifying purchases.
Smart Curtain Lights Plug in 400 LED Curtain Fairy Lights App
- 400 LED lights on a 6.6 ft by 6.6 ft curtain
- DIY editable patterns and text
- App and remote control
- IP67 waterproof rating
- 6.6 ft curtain covers a smaller wall
- No timer hours are listed
- No connectable run is listed
| Light Source Type | LED |
|---|---|
| Voltage | 24 volts |
| Wattage | 10 watts |
| Ingress Protection Code Rating | IP67 |
This curtain has 400 LED lights on a 6.56 ft by 6.56 ft curtain, with a 9.8 ft lead wire. DIY editable patterns let you input text or a pattern to show on the curtain. Over 100 holiday patterns and 16 million colors can be used, as listed. An app and a remote both control the lights.
Music mode uses a built-in microphone, so the curtain colors change with music. The set runs on USB or an adapter plug, as listed, at 24 volts and 10 watts. The listing gives an IP67 waterproof rating. Score: length and LED count 8, app control 9, effects and color 9, weather and build 10.
Who the Smart Curtain Lights fits best
Choose this if you want a smart curtain with DIY text and patterns.
Who should skip the Smart Curtain Lights
Skip this if you want a string or a long run.
As an Amazon Associate we earn from qualifying purchases.
Smart Christmas Lights 300 LED 98.5 FT Color Changing String
- 300 LED lights on 98.5 ft
- Bluetooth app control
- 16 million colors
- Music sync mode included
- 98.5 ft needs a large tree or yard
- No DIY text is listed
- No connectable run is listed
| Light Source Type | LED |
|---|---|
| Voltage | 30 volts |
| Wattage | 9 watts |
| Ingress Protection Code Rating | IP44 |
This set has 300 LED lights on a 98.5 ft string, with a 16.5 ft lead wire for a total of 115 ft. Bulbs sit 3.9 inch apart on a clear wire. A Bluetooth app switches modes and colors, with group control, DIY customization, scene settings, music sync and microphone mode. It offers 16 million colors, as listed.
A 44-key remote adjusts brightness, speed, timers and modes, with 8 lighting modes. Three timer options are listed. The listing gives an IP44 waterproof rating for indoor and outdoor use. It suits a large tree that wants a clear wire smart string. Score: length and LED count 9, app control 9, effects and color 8, weather and build 8.
Who the 300 LED Smart String fits best
Choose this if you want a clear wire smart string for a large tree.
Who should skip the 300 LED Smart String
Skip this if you want DIY text or a curtain form.
As an Amazon Associate we earn from qualifying purchases.
118FT 150LED Smart C9 Christmas Lights Outdoor RGBW String
- 150 RGBW LED lights on 118 ft
- Bluetooth app control
- Over 100 preset scenes
- Connectable up to 5 strings
- 150 LED lights is the fewest pick
- No remote is listed in the features
- No IP code is listed
| Light Source Type | LED |
|---|---|
| Voltage | 24 volts |
| Connectivity Protocol | Bluetooth |
| Water Resistance Level | Waterproof |
This C9 set has 150 RGBW LED lights on a 118 ft string. A Bluetooth app controls 16 million colors, dynamic and static effects, brightness and speed. Over 100 preset scenes can be saved, and favorite displays can be saved too. A pause function freezes a chasing effect in place, as listed.
Music sync uses a built-in controller microphone or a phone mic, so the lights react to music and sound. Smart timer and memory functions work from the app. Up to 5 strings connect for 197 ft in total on one power source. Score: length and LED count 8, app control 9, effects and color 8, weather and build 8.
Who the Smart C9 String fits best
Choose this if you want C9 smart lights for a roofline.
Who should skip the Smart C9 String
Skip this if you want more LED lights or a remote.
As an Amazon Associate we earn from qualifying purchases.
Smart Christmas Tree Lights 7FT 400LED DIY Waterfall Star
- 400 LED lights on a 7 ft tree set
- DIY 20 by 20 pixel canvas
- Custom text up to 30 characters
- IP65 waterproof rating
- 7 ft suits a small tree only
- Indoor use only, as listed
- No timer hours are listed
| Light Source Type | LED |
|---|---|
| Ingress Protection Code Rating | IP65 |
| Connectivity Protocol | Bluetooth |
| Power Source | USB Plug |
This tree set has 400 RGB LED lights on a 7 ft waterfall, with a ring and a warm white top star. The star can only be set to warm white, as listed. A remote and an app control brightness, speed and direction of movement, with Bluetooth for iOS and Android. A 20 by 20 pixel canvas lets you design patterns and animations.
Custom text supports up to 30 characters, with 30 or more preset symbols. Music rhythm offers 6 styles, and group control links up to 4 string lights. The listing gives an IP65 waterproof rating, and the set is listed for indoor use. Score: length and LED count 6, app control 9, effects and color 8, weather and build 9.
Who the Tree Waterfall Star fits best
Choose this if you want a smart tree waterfall with a top star.
Who should skip the Tree Waterfall Star
Skip this if you want outdoor use or a long string.
As an Amazon Associate we earn from qualifying purchases.
Dazzle Bright Smart Christmas Tree Lights 448 LED Waterfall Topper
- 448 LED lights in 16 strands
- App and remote control
- 8 lighting modes
- 16 million colors
- 8.2 ft strands suit a tree only
- No DIY text is listed
- No music sync is listed
| Light Source Type | LED |
|---|---|
| Control Method | App, Remote |
| Ingress Protection Code Rating | IP44 |
| Item Length | 8.2 feet |
This waterfall topper has 448 LED lights in 16 strands of 28 LED lights each. Each strand measures 8.2 ft, with a 16.5 ft leading wire and 3.5 inch bulb spacing. It offers 16 million colors, as listed. Eight lighting modes cover combination, slow glow, wave, sequential, chasing and flash, slow fade, twinkle and flash, and steady on.
A remote and an app adjust colors, brightness, timer and modes. Three timer settings cover 4, 6 or 8 hours on. The listing gives an IP44 waterproof rating for indoor and outdoor use. Score: length and LED count 6, app control 9, effects and color 8, weather and build 8.
Who the Waterfall Topper Lights fits best
Choose this if you want a waterfall topper with app control.
Who should skip the Waterfall Topper Lights
Skip this if you want music sync or a string form.
As an Amazon Associate we earn from qualifying purchases.
Controlling Smart Lights from Your Phone
App and Remote Control
An app controls colors, effects, brightness, speed and timers, while a remote gives quick mode changes. Some sets offer app and remote, while others offer app only. Check the listing for app and remote before you buy.
Colors and Scenes
Smart lights offer 16 million colors, with preset scenes for Christmas and other holidays. Some apps offer DIY patterns and custom text, as listed. Pick the color range and scenes that fit your tree or wall.
Music Sync
Music sync uses a built-in microphone, so the lights pulse with music. Some apps offer music modes with sound sync, as listed. Pick a music mode that suits a party or a quiet night.
Timer and Memory
A timer sets hours on and off, such as 4, 6 or 8 hours on. A memory function saves the last setting, where the listing names it. Set the timer once, then let the lights turn on and off each day.
Length and Where to Hang Them
A 328 ft string suits a large house, while a 7 ft waterfall suits a small tree. Curtains suit walls and windows, and C9 lights suit rooflines. Check the length and form in the listing before you hang them.
Frequently Asked Questions
What is the best christmas lights smart pick for a large house?
A long string suits a large house, such as the 1000 LED Smart String with a 328 ft string and app control. A C9 set also works for a roofline.
Do WiFi Christmas lights need a remote?
The picks in this guide use a Bluetooth app, not WiFi, and some also include a remote. Check the listing for app and remote before you buy.
What can RGB string lights do from an app?
RGB string lights in this guide change colors, effects, brightness and timers from an app. The 300 LED Smart String offers 16 million colors and music sync from its app.
Can smart Christmas lights sync with music?
Yes, many smart lights in this guide sync with music, such as the 1000 LED Smart String with a built-in microphone. Check the listing for music sync before you buy.
Final Verdict
For the best christmas lights smart overall, the 1000 LED Smart String leads with a 328 ft string and app control. If you want a curtain, the Smart Curtain Lights is a strong alternate, and the 300 LED Smart String suits a large tree that wants a clear wire.
Looking for something else? Explore more holiday decor guides.
As an Amazon Associate we earn from qualifying purchases.
Write Your Review
No reviews yet. Be the first to share your experience!