Kasa Smart HS220-BL Smart Dimmer Switch, Single Pole

Kasa Smart HS220-BL is a single-pole smart dimmer switch that requires neutral wiring and 2.4 GHz Wi-Fi. Its app and voice controls, schedules, and adjustable brightness suit buyers who want connected lighting, provided their wiring and network meet those requirements.

At a glance

Adjustable brightness is listed from 1% to 100%, with fade-on and fade-off transitions.
The Kasa Smart app supports remote control and custom schedules. Alexa, Google Assistant, and Samsung SmartThings voice control are listed.
Away Mode randomly switches lights on and off while you are away.
The listing requires a neutral wire and 2.4 GHz Wi-Fi.

Price

$15.99Save 20%

Reference price: ~~$19.99~~

Price checked: Nov 13, 2026

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Often bought together

Kasa Smart Light Switch, Single Pole, Need Neutral Wire, HS200-BL | 2.4GHz Wi-Fi, Works with Alexa & Google Home, UL Certified, No Hub Required, Black

$10.99

Kasa Smart 3-Way Dimmer Switch Kit, KS230 KIT v2, Need Neutral Wire | 2.4GHz Wi-Fi, Dimmable Light Switch Works with Alexa, Google Home & SmartThings, ETL Certified, No Hub REquired, White

$33.99

Pros and cons

Pros

Offers both app-based light control and listed voice-assistant compatibility.
The stated 1% to 100% dimming range and fade transitions allow brightness adjustment beyond simple on/off control.
Custom schedules and Away Mode add automated lighting options.

Cons

Requires neutral wiring and 2.4 GHz Wi-Fi, which may not match every home's wiring or network setup.

Technical specifications

12 specifications

Identity
Brand	Kasa Smart
Model	HS220-BL

Connectivity and controls
Wireless connection listed	Wi-Fi
Control methods listed	App

Switch and installation
Switch type	Dimmer
Circuit type	1-way
Mounting types listed	Pole,Wall Mount
Dimensions listed	5.06 x 3.33 x 1.35 inches
Current rating	2.5 A
Wattage	275 watts

Materials and protection
Material listed	Polycarbonate
Specification met	UL

What to know before buying

The listing recommends an electrician for anyone unfamiliar with electrical wiring. Confirm that the circuit has a neutral wire and that 2.4 GHz Wi-Fi is available before installation.

What’s in the box

Included

HS220-BL switch
Wall plate
Mounting screws
Quick Installation Guide
Wire labels

Who is it for?

A good fit for

Buyers replacing a single-pole dimmer who have neutral wiring and 2.4 GHz Wi-Fi.
Households seeking app or voice control, scheduled lighting, and adjustable brightness.

Less suited to

Installations without a neutral wire or 2.4 GHz Wi-Fi.
Buyers who need a three-way dimmer, which is not the circuit type listed.

Kasa Smart HS220-BL Smart Dimmer Switch, Single Pole · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 343 ratings

5 stars81%81%
4 stars12%12%
3 stars2%2%
2 stars1%1%
1 star4%4%

Customer feedback describes installation as easy with clear instructions and praises smooth dimming, appearance, control, and value. Connectivity experiences are mixed, with some customers reporting connection issues. For buyers relying on app or voice control, those reports make reliable Wi-Fi setup an important consideration. Color feedback is also mixed, including a note that light almond can be hard to find, though this listing identifies the product color as black.

Positive themes

Customers describe installation as easy and instructions as clear.
Customers praise smooth dimming and voice-control features.

Mixed feedback

Connectivity feedback is mixed, with some customers reporting connection issues.
Color feedback is mixed. One customer noted difficulty finding light almond.