# Kasa Smart Wi-Fi Dimmer Switch KS220: specs and price

**Price (US):** Not published (No firm current single-pack USD price confirmable from an authorised channel; left null rather than guessed (street roughly $17-$20)), as of 2026-06-20.
**Brand:** TP-Link Kasa

## Specifications

| Spec | Value |
| --- | --- |
| Price (US) | Not published |
| Brand | TP-Link Kasa |
| Type | dimmer |
| Protocol | wi-fi 2.4 GHz (802.11b/g/n) |
| Hub required | No |
| Neutral wire required | Yes |
| Three way capable | No |
| Works with | alexa, google_home, apple_home (HomeKit), siri |
| Single pole | Yes |

## What reviewers say

Only one whitelisted outlet — Wirecutter — published a hands-on review of the exact KS220, naming it the best smart light dimmer in its March 2023 in-wall switch guide. Wirecutter tested it hands-on and found it reliable, affordable, easy to use, and flawless across Alexa, HomeKit, Google Home, and IFTTT. Noted downsides: it requires a neutral wire and caps at 300 watts, half the load of its other picks. (Based on 1 review, 1 lab-tested, 2023-03-06.)

Praised: Best-in-class value — reliable, easy to use, and cheap enough to install throughout a home; Friendly Kasa app with clear Presets, Schedules, and Timers; responded quickly; Worked flawlessly across Alexa, HomeKit, Google Home, and IFTTT during testing.
Flagged: Requires a neutral wire, a problem for older-home wiring; Supports only up to 300 watts — half the load ceiling of competing picks.
Disagreement: Single-source: only Wirecutter tested this exact KS220, so no cross-outlet comparison is possible.
Sources: Wirecutter (2023-03-06, web.archive.org)

## Frequently asked questions

**What do reviewers say about the Kasa Smart Wi-Fi Dimmer Switch KS220?**

Only one whitelisted outlet — Wirecutter — published a hands-on review of the exact KS220, naming it the best smart light dimmer in its March 2023 in-wall switch guide. Wirecutter tested it hands-on and found it reliable, affordable, easy to use, and flawless across Alexa, HomeKit, Google Home, and IFTTT. Noted downsides: it requires a neutral wire and caps at 300 watts, half the load of its other picks. Praised: Best-in-class value — reliable, easy to use, and cheap enough to install throughout a home; Friendly Kasa app with clear Presets, Schedules, and Timers; responded quickly; Worked flawlessly across Alexa, HomeKit, Google Home, and IFTTT during testing. Flagged: Requires a neutral wire, a problem for older-home wiring; Supports only up to 300 watts — half the load ceiling of competing picks. (From 1 tester review, 1 lab-tested.)

**How much does the Kasa Smart Wi-Fi Dimmer Switch KS220 cost?**

The Kasa Smart Wi-Fi Dimmer Switch KS220 has no published US price as of 2026-06-20.

**What are the Kasa Smart Wi-Fi Dimmer Switch KS220's key specs?**

Kasa Smart Wi-Fi Dimmer Switch KS220 (TP-Link Kasa): type dimmer, protocol wi-fi 2.4 GHz (802.11b/g/n), hub required No, neutral wire required Yes, three way capable No. Full sourced spec sheet verified 2026-06-20.

Source: https://www.kasasmart.com/us/products/smart-switches/kasa-smart-wifi-light-switch-dimmer-ks220 (kasasmart.com, accessed 2026-06-20)
Corroboration: https://www.amazon.com/Kasa-Smart-KS220-Required-Certified/dp/B0BMWCZWS5 (accessed 2026-06-20)
Canonical: https://frontdeskreview.com/product/smart-light-switches/kasa-smart-dimmer-ks220/
License: CC BY 4.0. Price history: https://frontdeskreview.com/data/price-history.jsonl