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Kasa KL125

Kasa / KL125, KL125P2, KL125P4, KL125P5

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Kasa Smart Light Bulb KL125 multicolor
Image: Kasa

Does the Kasa KL125 work with HomeKit, Alexa, and Google Home?

The Kasa KL125 needs no hub.

It is an E26 color bulb with tunable white from 2500 K to 6500 K, and it works with Alexa, Google Assistant and SmartThings. It suits Google Home, Alexa and SmartThings users, with native support through the maker's cloud. Home Assistant users reach it through an integration (the maker's cloud).

At a glance: works withHow this is decided: cited platform facts only
HomeKit
Unknown
Unknown
Google Home
Yes[1]
Wi-Fi cloud, native
Alexa
Yes[1]
Wi-Fi cloud, native
SmartThings
Yes[1]
Wi-Fi cloud, native
Home Assistant
Yes[2]
Wi-Fi cloud, via tplink

Key facts

Kasa KL125 facts

How facts are sourced: every cell cites its source below
FactValue
StatusCurrent[1][3]
BaseE26 (US standard)[1]
Shapeunknown
Light output800 lm[1]
TypeBulb[1]
ColorMulticolor, 2500 to 6500 K white[1]
Voice assistantsAlexa, Google Assistant, SmartThings[1]
HubNone needed[1]

Integration paths

How the Kasa KL125 connects

1 pathHow facts are sourced: every cell cites its source below
PathRequiresiLocaliFeatures lostPlatformsi
Wi-Fi cloud2.4 GHz Wi-Fi network, Kasa Smart app[1]unknownunknown
About these columns
Requires
Hardware the path needs beyond the device and a controller.
Local
Yes when control on this path keeps working with the internet down.
Platforms
The platforms that work with the device on this path: Native (out of the box), Via integration (needs an add-on) or Not supported.

Home Assistant and Homey

Ways to add the Kasa KL125

2 routesHow facts are sourced: every cell cites its source below
PlatformLeveliIntegrationDetailsEvidenceLimitations
Home AssistantNative (local)[2]tplinkWi-Fi cloud
  • Quality: Platinum[2]
  • IoT class: Local Polling[2]
  • Works with Home Assistant: Not certified[2]
Model namedLimited: Light effects are not supported on Kasa bulbs.[2]
HomeyOfficial app (cloud)[4]com.tplink.kasaWi-Fi cloud
  • App: Official[4]
  • Runs on: Homey Pro, Homey Cloud[4]
Model namedNone stated
About these columns
Level
How the device gets into the platform on this route. The headline is the best route: local before cloud, direct before bridged, core before community. The methodology page lists every level.

Cite this page

Kasa KL125. Smart Home Canon. https://smarthomecanon.com/devices/kasa-kl125. Last checked 2026-10-20.

Sources

  1. [1]
    MFRkasasmart.com / Kasa Smart Light Bulb, Multicolor (KL125) - Kasa Smart US
    Accessed Back to text
  2. [2]
    DOChome-assistant.io / TP-Link Smart Home - Home Assistant integration
    Accessed Back to text
  3. [3]
    MFRkasasmart.com / Kasa Smart US: smart lighting listing
    Accessed Back to text
  4. [4]
    DOChomey.app / Homey App Store: TP-Link Kasa Smart
    Accessed Back to text