Kasa Smart LED Light Strip, 16.4ft WiFi LED Strip Works with Alexa, Google Home, SmartThings, High Brightness with 16 Million Colors, RGB, Grouping, Adjustable Length, Up to 25,000 Hours (KL400L5)
$23.99
Price: $23.99
(as of Dec 17, 2025 23:11:22 UTC – Details)
Paint your home in endless colors with Kasa Smart multicolor light strip. Transform your home into the ultimate entertainment destination with LED strip light features 16 million colors with high brightness & saturation to suit every mood and scene, and take control of your light strip with just your voice or Kasa App. Important Information: This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation.
Product Dimensions : 196.85 x 0.39 x 0.08 inches; 5.61 ounces
Item model number : KL400L5
Date First Available : August 3, 2021
[High brightness & saturation] The 16.4ft LED light strip features customization up to 16 million colors with high brightness & saturation for the best lighting throughout your home.
[Animated lighting effects] The Kasa Smart light strip features advanced animated lighting effects, with many different preset effects to choose from. A unique lighting experience for your TV, gaming rig, parties or general ambiance.
[Complete control] You can control your light strip from anywhere with the Kasa App or with your voice with Alexa or Google Assistant. Control the brightness, change colors, set schedules, set timers, activate away mode, and so much more.
[Adjustable length] You have the flexibility to bend and cut the strip to fit your needs. Allows you to place the strip where you wish with the included 3M adhesive backing. Note: KL400 and it’s controller need to be connected in the direction indicated by the arrow.
[Grouping and Smart Actions] The KL400L5 works with all Kasa Smart devices. You can group multiple Kasa devices together to perform a function based on the scene you customize such as movie night. Smart Actions allows sequences, so you can have your lights turn on when your Kasa camera detects motion.
Customers say
Customers find the LED strip to be of high quality, easy to install, and good value for money. The brightness receives mixed feedback – while it brightens kitchens beautifully, some note it’s not as bright on the white setting. The color accuracy and adhesion also get mixed reviews, with some praising the infinite color adjustments while others report colors being off, and while some say the sticky backing works perfectly, others mention it doesn’t stick to walls. The functionality and connectivity receive mixed feedback, with some reporting it works well with Alexa while others say it stops working after two months and experiences connectivity issues.
13 reviews for Kasa Smart LED Light Strip, 16.4ft WiFi LED Strip Works with Alexa, Google Home, SmartThings, High Brightness with 16 Million Colors, RGB, Grouping, Adjustable Length, Up to 25,000 Hours (KL400L5)
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Yancy P. –
Easy to Instal
Works well and easy to install. I love the ability to adjust the brightness of the lights, as well as the choice of colors. The adhesive back seems to stick well, but they have only been up above our cabinets for a couple of weeks so I can’t commenton how long they will stay adhered.
Linny –
Great quality and easy to use.
The product arrived on time and well packaged. It looks and feels high quality. we installed behind our tv and we are in love with it. Works great and has a lot of light color choices, I’ve connected with Alexa and it’s works like a charm 🤭 Overall, this is a great product for the price. I would definitely recommend it to anyone looking for a warm and cozy effect. The size was perfect for my 75 inch tv. I’m not lying when I tell you that about a year ago I invested almost $150 in a string of lights that promised to be amazing and ended up in the trash because I couldn’t program them.Hope this review was helpful 🤭
BaiCai –
Nice lights!
This was great LED. I wish it was a little bit brighter. It was unfortunate that they did not have connectors that you could buy so I had to purchase them through Amazon. Overall easy to attach very happy with it being integrated into the Kasa app.
S. Campbell –
Nice lights/features for ambient light
I purchased 2 sets “Used – Like New” but 1 set had obviously been mounted and removed as it had torn paper stuck to the adhesive strip. I mounted the strips above my kitchen cabinets. I like the light effect, the dimming and the near infinite color choices. However, you have to set up a group in the app to get both sets to have the same color and the options aren’t as extensive as for a single strip. Also, if you use an effect in the app (like changing colors in a pulsing manner) the light strips aren’t in sync. Also, some of the colors like a warm white will show a little of the blue and green when bouncing light off of a white ceiling. Not bad but can be a little noticeable on some settings. Still, for the price and the Alexa integration it’s worth it.Now, if they would come up with a battery powered remote light switch that you could pair and then stick on the wall…
Fred –
Economic choice but not a hard one. Worth buying.
Great budget LED purchase. Super easy and quick setup with companion app and compatible with Samsung SmartThings. I just tell Bixby what to do with my lights and it happens. I definitely want to upgrade but having lighting set up where you want it within minutes is super convenient.
Michael Aarons –
Great product. Great company.
Register your product! TP-Link stands behind their product. Like all electronics sometimes you get infant mortality. I installed the strip lights and they ran great for a few days and then for no reason I could see, one segment went dark. TP-Link replaced the product pronto. I have since purchased more. I have had zero problems with replacement and new purchases. I use them under eves for great home lighting.
T. Brown –
Absolute trash — Only Preset Effects Worked 🙁
If you love wasting time that you will never get back again then this set is for you. False advertisement there are not 16 million colors to choose! The set I received would not allow me to pick a customized color. When I chose a solid color, the set would go out completely. Only the presets worked and none of the presets allowed me to customize the colors and each preset has motion if you’re into that kind of thing — I’m not. If I attempted to adjust the color in the preset, the lights would go out completely. I personally I hate that the presets only have color shifting effects and not one with a solid color that doesn’t morph into another color but you can adjust the LED brightness. WiFi is in and out. At some point I attempted to remove the device and restart but couldn’t get the internet connection back to connect the lights to the app whatsoever for this set no matter what I tried. It kept circling to connect and never did. I should have gone with another brand. That’s unfortunate because this one drew me because it allowed me to adjust the brightness. Overall, if Amazon allows me to return this, I will. Worst Amazon purchase I have ever made and I’ve been buying on Amazon for decades. Horrible product that shouldn’t be sold. No wonder it’s ranked #50 in LED lighting sales.
Circe330 –
High quality, app is great!
I have a few of these around the house and I love the app changes the light to preprogrammed settings like lightning or Christmas or a rainbow.
Raul Perea –
Muy fácil de instalar, las luces son muy brillantes y de buena calidad
Edmund –
Came with an American plug, I assumed seeing as it was sold on Amazon Australia and came from Australia it would be an Australian plug, nowhere in the description did it say otherwise. Seller gave me $18 back for me to buy an adaptor! Shame America and Australia use different voltages!!!
Age S. –
Good brightness and easy to install. I am happy with the quality and would buy again! The app is a little off colour on the colour wheel, versus the actual light colour coming out of the LED but that’s easy to figure out. I also love that I run it from my Kasa app. I do wish it had a white LED but I knew it didn’t while buying it, and the white colour still looks fairly close.One piece to note: I ran it down my counter and had excess so ran some of it back in the other direction. I noticed when looking straight up at it that one side looked like a different colour than the other. At first I thought that I had kinked it on my corners, but after a bit of trouble shooting and testing, I realized it’s just an optic of how the LED’s look, and from the opposite direction you see the same affect. Photos for reference
Fercho García –
Las compré con un poco de dudas sobre la calidad pero la verdad es que me sorprendió bastante. La iluminación es muy buena, responden rápido con la app y con Alexa, sin ningún problemaAdemás, el costo es muy bueno considerando también que es de marca reconocida (TP-LINK)
Aadiv Dutt –
Its okay, had to return due to it having american voltage.