TP-Link
Kasa Smart Dimmer Switch
Switches · Lighting
HomeKit onlyWi-FiOn Apple's list
Where to buy
- TP-Link websitetp-link.com
- TP-Link website (kasasmart.com)kasasmart.com
- Amazonamazon.com
- B&H Photo$23.99 · bhphotovideo.com
- The Home Depot$19.98 · homedepot.com
- Amazon CAamazon.ca
Search other stores
Store links open the product’s own page, matched to this accessory by name and model number. Prices are what each store showed on 22 October 2026 and will have changed, and stock isn’t checked; check that the model you buy says it works with Apple Home or Matter.
From store listings
$19.98–$23.99 at 2 stores on 22 October 2026.
| VLAN Support | Yes |
|---|---|
| Dimensions | 5.8 in. x 4.5 in. x 2.2 in. |
| Weight | 6.48 oz |
From the Bing Shopping page for “TP-Link Kasa Smart Wi-Fi Light Switch Dimmer HS220”.
In ReReHome
On, off and dimming. Programmable button presses show up as they happen.
And every other characteristic or Matter attribute it exposes.
Connectivity
- Wi-Fi
How it reaches your home
- HomeKit over Wi-Fi
Identifiers
| Manufacturer | TP-Link (Kasa Smart) |
|---|---|
| Model / SKU | KS220 |
| Model / SKU | KS220(US) hardware V1.8 |
Reported versions
| Version | Date | Source |
|---|---|---|
| Firmware 1.1.3 Build 241223 (HW V1.8) | 2026-08-28 | tp-link.com |
| Firmware 1.0.11 Build 231129 (HW V1.8) | 2024-02-04 | tp-link.com |
| Firmware 1.0.10 Build 230920 (HW V1.8) - optimized HomeKit setup | 2023-11-14 | tp-link.com |
| Firmware 1.0.9 Build 230511 (HW V1.8) - HomeKit setup code shown in Kasa app | 2023-06-30 | tp-link.com |
Compatibility notes
- KS220 'Smart Wi-Fi Light Switch, Dimmer (HomeKit)': IEEE 802.11b/g/n 2.4 GHz, Apple HomeKit supported, no hub (Kasa product page).
- Matter sibling KS225 (CSA matter:5009:514, Matter 1.3, certified 2025-03-22) is a different SKU, listed only as a candidate.
