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The most reasonably priced shade good bulb in TP-Link’s Kasa Smart lineup, the TP Link Kasa Smart WiFi Light Bulb Multicolor mannequin KL125 has some nifty methods up its sleeves and deep scheduling performance, even when different features of the bulb are tough across the edges.

Compatible with Alexa and Google Assistant, the Wi-Fi-enabled Kasa Smart KL125 comes with a lovely (if typically convoluted) cell app, useful one-touch shortcuts for shade temperature presets, a formidable variety of scheduling choices, and an “Auto-White” mode that simulates the sunshine of the solar.

But like many budget-priced shade good bulbs, the Kasa Smart KL125 has its downsides, together with a prolonged Wi-Fi setup course of and an incapability to schedule lighting scenes (for now, anyway).

This assessment is a part of TechHive’s protection of one of the best good bulbs, the place you’ll discover opinions of competing merchandise, plus a purchaser’s information to the options you need to contemplate when searching for any such product.


With an MSRP of $14.99 every (2-packs go for $24.99, whereas a 4-pack prices $39.99), the 800-lumen KL125 is the least costly of Kasa Smart’s multicolor A19-style bulbs. The model additionally presents the Kasa Smart KL130 ($21.99 listing), which presents a extra stylized shell, a flatter however nonetheless curved bulb form, and a wider vary of shade temperatures (from a heat 2,500 Kelvin to a really cool 9,000K, versus 2,500K to a daylight 6,500K for the KL125), whereas the brighter, 1,000-lumen Kasa Smart KL135 ($22.99 every) provides a extra energy-efficient design and simpler Wi-Fi configuration by way of Amazon’s “frustration-free setup” characteristic. Kasa additionally makes tunable and/or dimmable white bulbs, in addition to a few filament bulbs (heat amber and comfortable white).

In distinction to the fancier-looking KL135 and KL130, the KL125 that we’re reviewing right here has a standard spherical A19 bulb form and a plain tapered shell, and it’s fitted with an E26 base that may screw into customary sockets. As I beforehand talked about, the bulb helps white shade temperatures from a heat 2,500 Kelvin to six,500K, which is roughly the colour of daylight on a hazy day, in addition to as much as 16 million colours. TP-Link charges the KL125 at a typical 800 lumens, which I discovered greater than enough for lighting up a room or workspace.

kasa smart wi fi bulb multicolor k125 green Ben Patterson / IDG

The TP-Link Kasa Smart Wi-Fi Bulb KL125 glows in as much as 16 million colours, and it may be tuned from a heat 2,500 Kelvin to a daylight-equivalent 6,500K.

As with the model’s different good bulbs, Kasa Smart’s KL125 connects on to Wi-Fi networks and thus doesn’t require a (doubtlessly expensive) good house hub.

Installation and setup

I didn’t have a lot bother connecting the Kasa Smart Light Bulb KL125 to my Wi-Fi networks, but it surely does contain leaping by just a few hoops. First, you’ll want to put in the Kasa Smart cell app, after which (for those who haven’t already) create a Kasa Smart account, which entails submitting an electronic mail tackle, making a password (there’s no choice to sign up with Google, Apple, or Facebook), and accepting Kasa’s phrases of use and privateness insurance policies.

After permitting (or not) the app to make use of your location, you then faucet the “+” icon within the prime nook of the Devices display, then wind your manner by a thicket of menus till you lastly make it to the proper “KL100 Series” of bulbs (I’d have slightly simply scanned the QR code that’s on the field). You then screw the bulb into a light-weight socket, energy it on, anticipate it to blink thrice, after which hook up with the bulb’s native Wi-Fi community. Once linked, the app prompts you to enter your Wi-Fi password, and if all goes nicely (and after you’ve named the bulb), you’re completed.

The entire course of labored easily on the primary attempt for me, however that’s fairly just a few steps, significantly for those who’re including a couple of bulb.

Features and performance

Tapping the bulb within the Kasa app takes you to a lovely display with a big energy button, 5 “shortcuts” alongside the highest, and three tabs on the backside. Tap the facility button to toggle the bulb on and also you’ll get 4 extra tabs: Power (which incorporates the principle energy button), Brightness (which reveals a round brightness slider, White (a shade temperature slider, in Kelvins), and Color (a shade wheel).

kasa smart wi fi bulb multicolor k125 app Ben Patterson / IDG

The Kasa Smart app boasts a row of shortcuts that allow you to modify the bulb’s shade and brightness with a single faucet.

The shortcuts on the prime of the display refer to 5 shade presets that you would be able to entry from the Presets tab. Four of the presets may be edited, permitting you to rapidly change the bulbs shade temperature and brightness with a single faucet of a shortcut; these presets may also be triggered from the Kasa app’s scheduling software (which I’ll get to in a second), or accessed from the Devices display. The fifth preset prompts Auto-White mode, which adjusts the bulb based on the solar’s brightness and shade temperature in the course of the day.

You may also put the bulb (or a bunch of bulbs) on a day by day or weekly schedule. You can set the bulb to activate or off at a particular time, at dawn or sundown (offset by as much as an hour), and with a fade (anyplace from 5 seconds to an hour), and the schedule can set off one among your shortcuts, together with the Auto-White mode.

The Kasa Smart app additionally permits you to create gentle scenes, which you entry within the Scenes tab (sure, there are loads of tabs within the Kasa Smart app), and every scene can embody a shade preset and embody a number of Kasa lights or gadgets.

Unfortunately, the Kasa Smart app doesn’t allow you to schedule these scenes, or at the least not but. For now, the Smart Actions tab that might permit for scenes to be scheduled or triggered by one other system (similar to a safety digital camera) has a message that reads “We’re in the process of deploying Smart Actions across the Kasa ecosystem; stay tuned for more updates.” (I’ve inquired when the deployment will really occur and can report again after I hear extra.)

The excellent news is that there is a option to schedule Kasa Smart scenes in addition to use them in good routines, and that’s with the assistance of Alexa or Google Assistant; extra on that in a second.

Finally, the Usage tab on the bulb interface (not the principle Kasa interface, which has its personal set of tabs) permits you to see day by day, weekly, and vitality utilization statistics, together with what number of kilowatt hours have been used and the way a lot vitality the bulb has saved in comparison with a dumb 60W bulb. The app can’t estimate the bulb’s annual vitality value, nonetheless.

Smart house integrations

TP-Link says the KL125 good bulb integrates with Alexa, Google Assistant, IFTTT, and Samsung SmartIssues. Beyond voice management, Alexa permits you to add the bulb in addition to Kasa Smart gentle scenes to routines, and for a lot of my testing, I had the KL125 in an Alexa routine that might gentle up the bulb at any time when my Wyze Cam v2 detected movement. Google Assistant additionally permits you to use the KL125 in routines, though it gained’t set off the bulb’s gentle scenes.

As for the bulb’s Samsung SmartIssues integration, it does work as marketed, versus what I wrote within the authentic model of this assessment. I did have bother throughout my preliminary testing resulting from a mix of a (at the moment) unsupported QR code and what can solely be described as consumer error, however after some assist from a TP-Link rep, I used to be in a position so as to add the KL125 to the SmartIssues app with none bother. I stand corrected.

Bottom line

It’s seemingly that most of the Kasa Smart K125’s tough edges shall be smoothed out over time, and the bulb has one of many higher apps and stronger characteristic units we’ve seen in its worth vary. For now, we’re going to stay with the Cree Lighting Connected Max Smart LED as our editors’ selection choose in funds A19 shade good bulbs, resulting from its faster setup course of, richer configuration choices, and rock-bottom price ticket. TP-Link’s Kasa Smart K125 is a strong runner-up.

Updated shortly after publication to notice that the Kasa Smart KL125’s SmartIssues built-in does certainly work as marketed.

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