Dim and Control Your Lights from Wherever You Are

Smart Wi-Fi Light Switch, Dimmer  |  KS220

Smart Wi-Fi Light Switch, Dimmer

Dim and Control Your Lights from Wherever You Are | KS220

Make your traditional light switch smarter with the Kasa Smart Wi-Fi Light Switch.


  • 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.

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.

Technical Specifications +

Standards And Protocols

Secured Wi-Fi Network


IEEE 802.11b/g/n

Wireless Type


System Requirements

Android 5.0 or higher, iOS 10 or higher




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)




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)

Working Status
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.


What's Included

  • 1 x Smart Wi-Fi Light Switch, Dimmer
  • 1 x Wall Plate
  • 2 x Wire Nuts
  • 1 x Quick Start Guide