TP-Link Kasa Smart Dimmer Switch KS220M

Quick verdict

The KS220M is TP-Link's motion-sensing Kasa dimmer: a Wi-Fi slider dimmer with a built-in PIR sensor that turns lights on when a room is occupied. It works with Google Home and Alexa and integrates locally with Home Assistant via the tplink integration. Note it is Wi-Fi only — not Matter and not HomeKit (the Matter Kasa dimmer is the KS225). A sensible pick if you want hands-free dimming on a single-pole circuit.

Standout: Motion-activated Wi-Fi dimmer from a major brand with a built-in PIR occupancy sensor.

Last checked: 2026-05-31

Compatibility snapshot

Why it stands out

• built-in PIR motion sensor and ambient light sensor for occupancy-based lighting
• smooth full-range dimming with a physical slider
• well-known brand with wide retail availability

Reasons to hesitate

• requires neutral wire and is single-pole only (no 3-way support)
• Wi-Fi only — no Matter, Thread, or Zigbee/Z-Wave mesh benefits
• no native Apple Home / HomeKit support; relies on the Kasa cloud

Best for

• adding motion-activated dimming to a single-pole switch box
• Kasa/TP-Link households wanting a Wi-Fi dimmer with an occupancy sensor

Avoid if

• your switch box lacks a neutral wire or needs 3-way wiring
• you want Matter, Apple Home, or Zigbee/Z-Wave mesh networking

Privacy and local-control notes

Wi-Fi device that pairs through the Kasa app and TP-Link cloud. Home Assistant's local tplink integration controls it locally, but the Kasa app and voice assistants route through TP-Link's cloud.

Home Assistant support: supported · integration path: tplink.

Buying reality check

Price notes: Mid-range pricing for a Wi-Fi dimmer that bundles a motion sensor. Note: if you specifically want Matter, look at the Kasa KS225 instead.

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