Smart Home · Buying Guide

Kasa Smart Light Bulbs, Full Color Changing Dimmable Smart WiFi Bulbs Compatible with Alexa and Google Home, A19, 60 W 800 Lumens,2.4Ghz only, No Hub Required, 2-Pack (KL125P2), Multicolor: Is It Worth Buying?

4.5/5· Kasa Smart

Rating shown is the Amazon customer average, not our own score.

Kasa Smart Light Bulbs, Full Color Changing Dimmable Smart WiFi Bulbs Compatible with Alexa and Google Home, A19, 60 W 800 Lumens,2.4Ghz only, No Hub Required, 2-Pack (KL125P2), Multicolor

A two-pack of color-changing, dimmable smart LED bulbs that connect directly to Alexa or Google Assistant without a separate hub. Suited to anyone starting a smart lighting setup on a standard 2.4GHz home network.

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What stands out

  • No hub required, connects straight to Wi-Fi
  • Tunable white from 2500K to 6500K plus 16M colors
  • Built-in energy monitoring and scheduling in the app
  • Works with Alexa and Google Assistant for voice control
  • UL certified, from a brand with a large existing user base

Trade-offs to know

  • 2.4GHz Wi-Fi only, won't join 5GHz-only networks
  • 800 lumens caps brightness at standard 60W-equivalent level
  • Sold as a 2-pack, limited for whole-home setups

Key Specifications

BrandKasa Smart
Light TypeLED
Special FeatureAuto White, Dimmable, Energy Monitoring, Tunable
Wattage9 watts
Bulb Shape SizeA19
Bulb shapeA19
Lumens800
Equivalent wattage60W
Actual power draw9W
Color range16 million colors
White range2500K-6500K, tunable
Connectivity2.4GHz Wi-Fi only, no hub required
Voice controlAmazon Alexa, Google Assistant
CertificationUL certified
Pack size2 bulbs

Who It's For

The spec sheet points to a straightforward setup: these are A19 bulbs rated at 800 lumens (60W equivalent) drawing 9W of actual power, and they connect over 2.4GHz Wi-Fi with no hub required. That means you pair them through the Kasa app and they show up as Alexa or Google Assistant devices without buying a bridge. The tunable range covers 16 million colors and white light from 2500K to 6500K, with an auto white feature that shifts color temperature through the day to roughly mirror natural light.

This fits people who want colored accent or mood lighting plus scheduling and energy monitoring, all controlled from one app, without adding a hub to the network. It also suits anyone replacing standard 60W bulbs in fixtures where a warm-to-cool white range and occasional color effects are enough, rather than needing max brightness. Because it works over 2.4GHz only, it's a reasonable fit for typical home routers that still broadcast that band, and for households already using Alexa or Google Assistant for voice control.

If your router only broadcasts 5GHz, or your mesh system requires extra steps to expose a 2.4GHz network, factor that setup friction in before buying. Anyone wanting brighter output than 800 lumens per bulb, or bulbs that pair with a Zigbee or Matter hub for tighter local control, should look at higher-lumen or hub-based alternatives instead. This bulb is also not the pick if you want a larger multi-pack out of the box, since this listing is sold as a 2-pack.

Bottom Line

This is a solid pick for someone setting up voice- and app-controlled color lighting in a room or two without adding a smart home hub. Skip it if you need higher brightness than 60W-equivalent, a hub-based ecosystem, or a network running 5GHz only.

This guide is compiled from manufacturer specifications and aggregated customer feedback on Amazon, with AI assistance in drafting. We have not personally tested every product listed. Prices and availability change frequently — always confirm on Amazon before buying.