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Amazon has the Kasa Smart Light Switch on sale under $20 today

One of the most popular Kasa smart home products is now available for nearly its best price in history at Amazon. The TP-Link Kasa Smart Light Switch (opens in new tab) lets you replace a current existing light switch in your home with one that can be controlled from anywhere in the world using an app on your phone, and it's on sale for less than $20 right now! Simply clip the coupon on its product page to snag this deal; new adopters to smart home technology may see a 30% coupon, while everyone else should see a $3 coupon to bring its price to $19.49. Even without the coupon, today's sale price of $22.99 is hard to beat. It's sold for up to $35 this year.

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This smart light switch can be controlled from practically anywhere using a free app on your smartphone, tablet, or computer. It can even be voice-controlled or set on a schedule. Clip its on-page coupon to score one of its best prices yet.

The deal given is no longer valid and we do not have a better one. However, we have found some similar deals

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The Kasa switch works with Amazon Alexa (opens in new tab) and Google Assistant (opens in new tab) for voice control. It works with other smart home systems, too, like Microsoft Cortana, Nest, and IFTTT. No longer do you have to waste the muscles in your arms with the tediousness of touching things. Just ask Alexa to turn on the lights!

You can also control it using your smartphone and the free Kasa app. The app is available on iOS and Android. Again, since your eyes are already locked onto your phone 24/7, it just makes sense.

Use this smart switch to turn electronics and lights on or off from anywhere in the world. You can also use Away Mode to turn devices on and off at different times, to give the appearance that someone is home. Add this switch to a group with other smart devices and control them all at one time.

Installing this switch does require a neutral wire, and it only works in a single-pole setup. However, it does not require advanced electrical knowledge or switch configurations. The Kasa app can actually guide you through the process in a step-by-step installation. You can use the installation guide or videos, too. All you need to set up beforehand is a secure 2.4GHz Wi-Fi network.

Shipping at Amazon is free on orders totaling $25 or more, or with an Amazon Prime membership. Anyone who has never been a member before can start a free 30-day trial (opens in new tab) today to score access to Prime's free two-day shipping speed. You'll also be able to start watching movies and shows on Prime Video, save with exclusive members-only discounts on a myriad of products across Amazon, and more. With Black Friday only a couple of weeks away, now's the perfect time to become a member.

Alex is a graduate from the University of North Florida with a background in sales and merchandising. When he’s not hunting down the next great deals to post on Thrifter, he can be found making music and working on his eBay business.