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Twinkly Strings 400 White LED, LED Light String for Outdoor and Indoor, Warm to Cool White Christmas Lights, Mappable LEDs, Compatible with Alexa, Google Home, IP44, App Control, Black Wire, 105ft
Twinkly

Twinkly Strings 400 White LED (105ft)

Bottom line: The Twinkly Strings 400 White LED ($199.99 on Amazon as of 2026-10-06): Camera-based app mapping animates effects across your actual layout, not a fixed pattern; main trade-off: white-only LEDs, so no multicolor effects despite the app animation engine.

$199.99

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Buy on Amazon — $199.99 Compare to similar rgb & lighting

By , Founder & Editor-in-Chief · Listing data updated

Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

Pros & Cons

Pros

  • ✓ Camera-based app mapping animates effects across your actual layout, not a fixed pattern
  • ✓ 105ft run with 400 LEDs covers a full roofline or large tree in one string
  • ✓ Warm-to-cool white tuning replaces buying separate warm and cool sets
  • ✓ IP44 rated for patios, outdoor kitchens, and rain exposure
  • ✓ Works with both Alexa and Google Assistant, plus iOS and Android app control

Cons

  • ✗ White-only LEDs, so no multicolor effects despite the app animation engine
  • ✗ IP44 covers splashes and rain but is not rated for submersion or heavy flooding
  • ✗ Requires a phone and WiFi network, so no physical controller or offline preset recall
  • ✗ Mapping 400 LEDs with the phone camera adds a setup step before effects work

Manufacturer description

Twinkly Strings 400 brings app-mapped, individually addressable lighting to a 105ft run that works indoors and out. Instead of the fixed patterns on a standard string, the Twinkly app scans the layout of your 400 white LEDs with your phone camera and maps each bulb to a position, so effects can sweep, cascade, and animate across the actual shape you hung them in. The white spectrum tunes from warm to cool, which lets the same string read as candlelit Christmas decor on a porch or a clean cool-white accent behind a gaming desk. Setup runs over Bluetooth for pairing and WiFi for control, and…

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SpecPicks Verdict

SpecPicks scored Twinkly Strings 400 White LED using a rating × review-volume × price-fit model applied to published specs and reviews across the rgb & lighting category. Twinkly's rgb & lighting lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for rgb & lighting of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Frequently Asked Questions

How long is the Twinkly Strings 400 light string?

The string runs 105ft total and carries 400 individually addressable white LEDs.

Can I use these lights outside in the rain?

Yes. The string carries an IP44 rating, which covers outdoor use including splashing water and rain on patios and outdoor kitchens. It is not rated for submersion.

Do these lights change color?

They are white-only LEDs that tune across a warm-to-cool white range. For multicolor effects you would need a Twinkly RGB model instead.

Does it work with Alexa or Google Home?

Yes. Twinkly works with both Amazon Alexa and Google Assistant, and connects over Bluetooth and WiFi for control through the iOS or Android app from anywhere in your house.

What does the mapping feature actually do?

You scan the hung lights with the Twinkly app, which records where each of the 400 LEDs sits. Effects and animations then play across that real layout rather than running in simple string order.

Key Features

  • App-Controlled LED String Lights: Manage and customize your Twinkly Strings with the intuitive mobile application (iOS and Android). Control your lights from anywhere in your house.
  • Versatile and Interactive Room Decor: Combine multiple Twinkly led lights to create the ultimate bedroom, living room, or gaming room for a spectacular light display throughout your home.
  • Easy Set-Up and Connectivity: Effortlessly set up your smart led strip lights with Bluetooth & WiFi connectivity. Twinkly works with Google Assistant and Amazon Alexa for a seamless user experience.
  • Waterproof Outdoor Lighting: IP44 certification ensures that the led outdoor lights are waterproof and durable. Perfect outdoor décor for outdoor kitchen, or patio lights.
  • Advanced Lighting Effects: Map the lights using the Twinkly app to create ambient lighting or play advanced effects for a unique and vibrant display for endless preset effects and animations.

Full Specifications

BrandTwinkly
ColorGold & Silver
StyleModern
ThemeHoliday Lights
SeasonsChristmas
Wattage12 watts
OccasionChristmas
Unit Count105 Feet
Form FactorFlexible Strand
Item Length105 feet
Light ColorMulticolor
ConnectivityBluetooth, WiFi
Model NumberTWS400GOP-GUS
Power SourceAC
CompatibilityAndroid, iOS
Material TypeChromatic components
Product StyleModern
Control MethodApp
Controller Typeandroid,app,app-controlled
Number of Items4
Full listing titleTwinkly Strings 400 White LED, LED Light String for Outdoor and Indoor, Warm to Cool White Christmas Lights, Mappable LEDs, Compatible with Alexa, Google Home, IP44, App Control, Black Wire, 105ft

Ready to buy?

Twinkly Strings 400 White LED, LED Light String for Outdoor and Indoor, Warm to Cool White Christmas Lights, Mappable LEDs, Compatible with Alexa, Google Home, IP44, App Control, Black Wire, 105ft is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

Buy on Amazon — $199.99

*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.

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Twinkly Strings 400 White LED, LED Light String for Outdoor and Indoor, Warm to Cool White Christmas Lights, Mappable LEDs, Compatible with Alexa, Google Home, IP44, App Control, Black Wire, 105ft
$199.99
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