Skip to content
#1 Source in low voltage wire and cable. Call us today to learn more about special offers.
#1 Source in low voltage wire and cable. Call us today to learn more about special offers.

Kasa Smart Wi-Fi Light Switch, Dimmer

by TP-Link
SKU: KS220
Various lead times may apply to this product. Please contact us for more details.


Kasa Smart Wi-Fi Light Switch

Remotely dim and control your lights from anywhere with the KS220 Kasa Smart Wi-Fi Dimmer Switch. Thanks to Wi-Fi connectivity, a hub is not required for operation. With the Kasa Smart app for iOS and Android, you'll be able to set light schedules, customize dimming, and set scenes that best suit your needs.

Compatibility with Amazon Alexa, Google Assistant, Siri, and Samsung Bixby enables seamless voice commands. A neutral wire is required for installation.

Apple HomeKit Supported

Integrate your devices easily into your Apple ecosystem and control them using the Apple Home app and Siri on your iPhone, iPad, Apple Watch, HomePod, or Mac.

Brightness Control

Control the brightness of lights in any room and set the ambiance for any activity. Designed to dim today's energy efficient LEDs as well as traditional incandescent bulbs.

Fade On/Off

Fade off the lights in your child’s bedroom as they drift off to sleep, or allow yourself time to exit a room without bumping into something in the dark.

Voice Control

Set lighting levels using voice control with an Amazon Alexa, Siri, Google Assistant, or Samsung Bixby.

Remote Control

Control your lights from anywhere via the Kasa Smart App, or Apple Home app.

Local Control

Your connected devices at home remain accessible via the Kasa app even when the household goes offline.


Use Schedules to set your smart dimmer switch to automatically turn on and off while you're home or away.

Set Scenes

Group your smart dimmer switch with other Kasa devices to turn them all on or off with one click or choose a custom preset with scenes.

Your Home. One App.

The Kasa app works with all TP-Link smart home devices, allowing easy control of your home from your Android or iOS smartphone.

No Hub Required

The Smart Dimmer connects to your secured 2.4 GHz Wi-Fi network. No need for a separate smart home hub.


  • Brightness Control - Control the brightness of your lights to set the perfect ambiance for any activity.
  • Fade On/off - Fade bedroom lights as your child falls asleep or give yourself time to exit a room without bumping into things.
  • Voice Control - Hands-free control with Siri®, Alexa or Google Assistant.
  • Control From Anywhere - Control anything connected to your smart light switch, like lights, ceiling fans or other fixtures, from anywhere using the Kasa Smart app.
  • Grouping - Use Grouping to combine your light switch with other Kasa Smart devices for seamless control with one single tap on your smartphone.
  • Set Schedules - Schedule your Kasa Smart Wi-Fi Light Switch, Dimmer to turn on to a specific brightness everyday or set them to turn off at the same time every night.
  • Easy Install - No need to understand complex wiring, just follow the step-by-step wiring process in the Kasa Smart app for a guided installation of your smart light switch.


    Certification RoHS, FCC, IC, UL
    Environment Indoor use only
    Dimensions( H X W X D )

    with panel 5.06*3.33*1.74 in. (128.65*84.65*44.21mm)

    without panel 4.13*1.71*1.74 in. (105*43.5*44.21mm)

    Material PC

    On/Off Switch Button

    Brightness Increase Button

    Brightness Decrease Button

    Restart Button

    Reset Button


    0.33 lb (net weight)

    0.15 kg (net weight)

    Packaging Dimensions

    4.65 x 2.56 x 6.73in (118.11 x 65.02 x 170.94mm)

    Standards And Protocols Secured Wi-Fi Network
    Protocol IEEE 802.11b/g/n
    Wireless Type 2.4GHz
    System Requirements Android 5.0 or higher, iOS 10 or higher
    Input Voltage

    100 - 120VAC 60Hz

    Neutral wire required

    Maximum Load 150W LED/300W Incandescent/150W CFL
    Dimming Type : Leading Edge Dimming / Triac Phase Cut It’s also suggested to contact the bulb’s Support to check the supported dimming type of the bulb.